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Krithikha B
Subject: Maths
, asked on 4/2/18
If a is the AM of b and c and the two geometric means are G1 and G2, then prove that G1 3 + G2 3 = 2abc
Answer
1
Raj Aryan
Subject: Maths
, asked on 31/1/18
Solve this: 69.
$Completegeneralsolutionoftheequation\mathrm{sin}\left(2x\right).sec\left(3x\right)=1is:\phantom{\rule{0ex}{0ex}}\left(A\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10}or\left(4n-1\right)\frac{\mathrm{\pi}}{2},n\in I\left(B\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10},n\in I\phantom{\rule{0ex}{0ex}}\left(C\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10},n\in I-\left\{5k+1:k\in I\right\}\left(D\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10}or2n\mathrm{\pi},n\in I$
Answer
1
Ruval.p
Subject: Maths
, asked on 22/1/18
if a^n+b^n/a^n-1 +b^n-1 is the a.m between a and b then find the value of n
Answer
1
Sandip
Subject: Maths
, asked on 20/1/18
A, B, C are in G.P and A, X, B, Y, C are A.P prove
$\frac{1}{\mathrm{X}}+\frac{1}{\mathrm{Y}}=\frac{2}{{\mathrm{B}}}$
.
Answer
1
Yayati
Subject: Maths
, asked on 19/1/18
Solve this:
103.
If the n
^{th}
term in a sequence of numbers
${a}^{0},{a}^{1},{a}^{2},......,{a}^{n}$
is defined to equal 2n + 1, then what is the numerical difference between the 5th and 6th terms in the sequence?
A. 1 B. 2
C. 4 D. 5
Answer
4
Krithikha B
Subject: Maths
, asked on 1/1/18
The numbers 3^(2sin 2theta-1) , 14 , 3^(4-2sin 2theta) form first three terms of an AP , show that the fifth term is 53
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/12/17
Question10&11
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/12/17
Question 13
Answer
1
Amitesh Kumar
Subject: Maths
, asked on 31/12/17
Question 1 plz fast..../
Q1. If a , b, c are in AP and b , c, d be in HP, then
(a) ab = cd (b) ad = bc (c) ac = bd
Answer
1
Kavya
Subject: Maths
, asked on 30/12/17
for what values of 'a' does 5^1+x+5^1-x, a/2, 25^x+25^-x form three consecutive terms of an A.P
Answer
1
Naga Nandhini
Subject: Maths
, asked on 26/12/17
find the sum to n terms of 1
^{3}
+2
^{3}
/2+1
^{3}
+2
^{3}
+3
^{3}
/3+...n terms.
@experts ,I hope the question is clear now,answer ASAP!
Answer
1
Naga Nandhini
Subject: Maths
, asked on 25/12/17
find the sum to n terms of 1
^{3}
+2
^{3}
/2 +1
^{3}
+2
^{3}
+3
^{3}
/3+......
Answer
1
Naga Nandhini
Subject: Maths
, asked on 25/12/17
if 1/x+y,1/y+2,1/x+z are in A.P, show that y
^{2 }
,x
^{2}
,z
^{2 }
are in A.P.
Answer
2
Raj Arya
Subject: Maths
, asked on 16/12/17
Question no 28
Answer
1
Tulsi Mehta
Subject: Maths
, asked on 16/12/17
Solve this:
Q.1. Select a figure from the options which will continue the same series as established by the Problem Figures.
A.
B.
C.
D.
Answer
1
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$Completegeneralsolutionoftheequation\mathrm{sin}\left(2x\right).sec\left(3x\right)=1is:\phantom{\rule{0ex}{0ex}}\left(A\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10}or\left(4n-1\right)\frac{\mathrm{\pi}}{2},n\in I\left(B\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10},n\in I\phantom{\rule{0ex}{0ex}}\left(C\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10},n\in I-\left\{5k+1:k\in I\right\}\left(D\right)\frac{2n\mathrm{\pi}}{5}+\frac{\mathrm{\pi}}{10}or2n\mathrm{\pi},n\in I$

103.If the n^{th}term in a sequence of numbers ${a}^{0},{a}^{1},{a}^{2},......,{a}^{n}$ is defined to equal 2n + 1, then what is the numerical difference between the 5th and 6th terms in the sequence?A. 1 B. 2

C. 4 D. 5

Q1. If a , b, c are in AP and b , c, d be in HP, then

(a) ab = cd (b) ad = bc (c) ac = bd

^{3}+2^{3}/2+1^{3}+2^{3}+3^{3}/3+...n terms.@experts ,I hope the question is clear now,answer ASAP!

^{3}+2^{3}/2 +1^{3}+2^{3}+3^{3}/3+......^{2 },x^{2},z^{2 }are in A.P.Q.1. Select a figure from the options which will continue the same series as established by the Problem Figures.

A.

B.

C.

D.