Select Board & Class
The locus of the mid-point of the chord of contact of tangents drawn from points lying on the straight line
4x 5y = 20 to the circle x2 + y2 = 9 is
(A) 20(x2 + y2) 36x + 45y = 0 (B) 20(x2 + y2) + 36x 45y = 0
(C) 36(x2 + y2) 20x + 45y = 0 (D) 36(x2 + y2) + 20x 45y = 0
Write the component statements of the following:
"All prime numbers are either even or odd".
What Is a proof for midpoint theorem ?
47. The function f : [0, 3] [1, 29], defined by f(x) = 2x3 15x2 + 36x + 1, is
(A) one-one and onto (B) onto but not one-one
(C) one-one but not onto (D) neither one-one nor onto
anand earns rs80 in 7 hours . parmod rs 90 in 12 hours ....find ratio of earning...plzz ans. in 2 min..
http://cbse.meritnation.com/study-online/ncert-solutions/math/11/5147/mathematical-reasoning/state-the-converse-and-contrapositive-of-e
in d 2nd bit y r v changing d sentence n thn writing converse n contra positive
what is the negation of the sentence “Rourkela is not an industrial area in Orissa”
What is the value of log(infinity) ?
Vector equation of the plane passing through points A(a) , B(b) and parallel to the vector c is [ r b c] + [ r c a] = [ a b c] ........ prove this plz....
if root2 is an irrational number,then prove that root2+root3 is also an irrational number.
If vector a=i(cap)+j(cap)+k(cap) and vector b= j(cap)-k(cap), find a vector c such that 'a' cross 'c' is vector b and 'a' dot 'c' is 3
i cant understand the last example (example 3). So kindly explain in a better way..
can i hav correct definition and eg to undersatand easily fast of above topics
i have a question ..
Find the sum up to n terms of the sequence:
0.7, 0.77, 0.777,....
a man buys 3 cows and 8 goats in 47200. instead , if he would have bought 8 cows and 3 goats , he had to pay 53000 more. cost of one cow
The number N = 6 log102 + log1031, lies between two successive integers whose sum is equal to
5
7
9
[ CORRECT ANS IS (B) ]
S434S0
What number must be sussitituted with S to make it divisible by 36?
Three blocks of masses m1=4kg m2=2kg and m3=4kg are connected with ideal strings over a smooth massless pulley. The acceleration of blocks will be what?? (g=10)
write the contrapositive of :
if a number is divisible by 9, then it is divisible by 3.
What is Euler's theorem?
consider the multiplication in decimal notation(999).(abc)=def132 determine the digits a,b,c,d,e,f
How to solve log(1+2+3)=log1+log2+log3
write the converse of the following statement ''if I slap you then you will cry''
from where cn i study about tautology and fallacy for the upcoming jee mains
a train crosses two bridges of length 500m and 280m in 35 seconds and 24 seconds respectively. find the length of the train.
if a:b=c:d , prove that a square c+ a c square :b square d + b d square =(a + c)cube :( b +d)cube .
A is the father of B and D is the son of C. E is the brother of A and E also has a daughter F. If C is the sister of A, then what is the relation between F, B and D?
a student obtained the mean n standaard deviation of 100 observation as 40 n 5.1 respectively it was later found that one observation was wrongly copied as 50 the correct figure being 40. find the correct mean and S.D.
PLZZZZZZZ HELP
If x = 21/3 + 22/3, then the value of x3 − 6x is
can u say which type 1 mark q will be availiable from this leson
E.g: 9876543210, 01112345678
We will give you a call shortly, Thank You
Office hours: 9:00 am to 9:00 pm IST (7 days a week)
Syllabus
The locus of the mid-point of the chord of contact of tangents drawn from points lying on the straight line
4x 5y = 20 to the circle x2 + y2 = 9 is
(A) 20(x2 + y2) 36x + 45y = 0 (B) 20(x2 + y2) + 36x 45y = 0
(C) 36(x2 + y2) 20x + 45y = 0 (D) 36(x2 + y2) + 20x 45y = 0
Write the component statements of the following:
"All prime numbers are either even or odd".
What Is a proof for midpoint theorem ?
4+7+2 = 281435
7+3+9 = 212781
6+2+7 = 121456
8+4+6 = .............
and explain it
47. The function f : [0, 3] [1, 29], defined by f(x) = 2x3 15x2 + 36x + 1, is
(A) one-one and onto (B) onto but not one-one
(C) one-one but not onto (D) neither one-one nor onto
anand earns rs80 in 7 hours . parmod rs 90 in 12 hours ....find ratio of earning...plzz ans. in 2 min..
http://cbse.meritnation.com/study-online/ncert-solutions/math/11/5147/mathematical-reasoning/state-the-converse-and-contrapositive-of-e
in d 2nd bit y r v changing d sentence n thn writing converse n contra positive
what is the negation of the sentence “Rourkela is not an industrial area in Orissa”
What is the value of log(infinity) ?
B = 1+1 (0-1)
Then, which of the following statement is true.
a) A > B b) B < A c) A= B
Vector equation of the plane passing through points A(a) , B(b) and parallel to the vector c is [ r b c] + [ r c a] = [ a b c] ........ prove this plz....
if root2 is an irrational number,then prove that root2+root3 is also an irrational number.
? ? ? ? ?=30
Fill the boxes using
(1, 3, 5, 7, 9, 11, 13, 15)
U can also repeat the numbers.
This question came in UPSC Final Exams held in Dec 2013.
You will be glad to note that only Gaurav Agarwal (IAS Topper) could solve it.
A) 992 B) 299
If vector a=i(cap)+j(cap)+k(cap) and vector b= j(cap)-k(cap), find a vector c such that 'a' cross 'c' is vector b and 'a' dot 'c' is 3
(1)
(2)
(3)
(4)
i cant understand the last example (example 3). So kindly explain in a better way..
can i hav correct definition and eg to undersatand easily fast of above topics
Q3. Arusshi and Devesh are making a painting. Arushi can complete the painting in 30 minutes. Both Arushi and Devesh can complete the painting together in 20 minutes. They work together for 10 minutes and they have a quarrel. At this point, Arushi goes away. In how many minutes will Devesh finish the painting ?
Q.20. Find the order and degree of the differential equation .
a)26 (b)31 (c)39 (d) none of these
i have a question ..
Find the sum up to n terms of the sequence:
0.7, 0.77, 0.777,....
45 and 16 respectively Find the correct mean and the variance.
a man buys 3 cows and 8 goats in 47200. instead , if he would have bought 8 cows and 3 goats , he had to pay 53000 more. cost of one cow
The number N = 6 log102 + log1031, lies between two successive integers whose sum is equal to
A5
B7
C9
[ CORRECT ANS IS (B) ]
S434S0
What number must be sussitituted with S to make it divisible by 36?
Pls answer by this night as i have my exams tomorrow morning by 7 am
Topic : Vectors
Three blocks of masses m1=4kg m2=2kg and m3=4kg are connected with ideal strings over a smooth massless pulley. The acceleration of blocks will be what?? (g=10)
write the contrapositive of :
if a number is divisible by 9, then it is divisible by 3.
Q.22. If are two unit vectors such that is also a unit vector, then show that the angle between is .
What is Euler's theorem?
Please answer 9 with explanation
consider the multiplication in decimal notation(999).(abc)=def132 determine the digits a,b,c,d,e,f
(2x-1 x 4x+1)/8x-1 = 16
A} 62
B}52
C}46
D}42
How to solve log(1+2+3)=log1+log2+log3
write the converse of the following statement ''if I slap you then you will cry''
from where cn i study about tautology and fallacy for the upcoming jee mains
a train crosses two bridges of length 500m and 280m in 35 seconds and 24 seconds respectively. find the length of the train.
Pls answer by this night as i have my exams tomorrow morning by 7 am
Topic : Vectors
then,
1.) M 9 = 9 / N
2.) N9 = 9/ M
3.)M3 = 3/N
4.) N9 = 3/M
Which of the following is correct ?
if a:b=c:d , prove that a square c+ a c square :b square d + b d square =(a + c)cube :( b +d)cube .
A is the father of B and D is the son of C. E is the brother of A and E also has a daughter F. If C is the sister of A, then what is the relation between F, B and D?
a student obtained the mean n standaard deviation of 100 observation as 40 n 5.1 respectively it was later found that one observation was wrongly copied as 50 the correct figure being 40. find the correct mean and S.D.
PLZZZZZZZ HELP
4x^2 +2 - 9(2x^2 +2)+8=0
If x = 21/3 + 22/3, then the value of x3 − 6x is
If yes, is it safe to assume that the following statement is a tautology:
"m is a multiple of n iff m/n is an integer, where m and n are integers"
Also, is tautology a noun? (have I constructed the above question sentencet correctly?)
can u say which type 1 mark q will be availiable from this leson
Pls answer by this night as i have my exams tomorrow morning by 7 am
Topic : Vectors