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Atul Dagar
Subject: Maths
, asked on 26/3/18
5x^2-2?3x-7=0 find the roots of this equation
Answer
2
Champ Jee
Subject: Maths
, asked on 26/3/18
Q44.
Seems very difficult!
Q.44.
m
n
x
2
+
n
m
=
1
-
2
x
Answer
6
Vishakha
Subject: Maths
, asked on 26/3/18
solve for x
Q. Solve for x.
x
+
3
x
-
2
-
1
-
x
x
=
17
x
Answer
2
Champ Jee
Subject: Maths
, asked on 26/3/18
Que given in pic pls!
Thanks! R.d. Sharma's answer contradicts my opinion! It should be second one, ryt?
Q. Will
a
+
b
a
on shifting to RHS become - become -
a
+
b
a
of -
a
-
b
a
?
Answer
2
Rohit Patil
Subject: Maths
, asked on 26/3/18
Solve this:
Q.9. Determine K so that
K
2
+
4
K
+
8
,
2
K
2
+
3
K
+
6
,
3
K
2
+
4
K
+
4
are three consecutive terms of an A.P.
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Q. If three coins are tossed simultaneously, then find the probability of getting at least two heads.
Answer
2
Durga Prasad. R
Subject: Maths
, asked on 25/3/18
Solve this:
Answer
2
Prakhar
Subject: Maths
, asked on 25/3/18
Solve this:
1.
4
x
2
-
8
k
2
+
p
+
9
2.
4
x
2
-
8
k
2
+
9
In both equation, what is taken as 'b' in quadratic formula?
Answer
1
Sameer Ahmed
Subject: Maths
, asked on 25/3/18
Solve this:
Q. In a quadratic equation
a
x
2
+
b
x
+
c
=
0
if a > 0 what can you say about the graph of it?
Answer
1
Karunika Tripathi
Subject: Maths
, asked on 25/3/18
Answere as soon as possible, exam is approaching.. In a class test, the sum of marks obtained by R in mathematics and science is 28. Had he got 5 marks more in maths and 6 marks less in science, the product of marks obtained in two subjects would have been 182. Find the marks obtained in two subject seperately..
Answer
1
Khushi Jain
Subject: Maths
, asked on 25/3/18
Q.9. Find the value of k for which the equation
x
2
+
k
2
x
+
k
-
1
+
2
=
0
has real and equal roots.
Answer
1
Harsh
Subject: Maths
, asked on 25/3/18
Answer the given question with proper steps.
Q. The sum of the squares of two natural numbers is 52. If the first number is 8 less than twice the second number, find the numbers.
Answer
1
Dipesh Kumar Karesia
Subject: Maths
, asked on 24/3/18
Solve this :
23
.
If
the
equation
(
1
+
m
2
)
x
2
+
(
2
mc
)
x
+
(
c
2
+
a
2
)
=
0
has
equal
roots
,
then
prove
that
c
2
=
a
2
(
1
+
m
2
)
.
OR
Find
the
roots
of
the
equation
a
2
x
2
-
3
abx
+
2
b
2
=
0
by
the
method
of
completing
the
square
.
Answer
2
Kartik
Subject: Maths
, asked on 24/3/18
Ans PL:
14. If (x-6) is a factor of x
3
+ax
2
+bx-b and a-b=7, find the value of a and b.
15. Solve the following pair of linear equations for x and y:
x
a
+
y
b
=
2
,
a
x
-
b
y
=
a
2
-
b
2
16. Solve for
x
:
2
2
x
+
3
x
-
3
-
25
x
-
3
2
x
+
3
=
5
.
18. If an isosceles triangle ABC, in which AB=AC=6 cm is inscribed in a circle of radius 9cm. Find the area of the triangle.
Answer
3
Raghav Singh
Subject: Maths
, asked on 24/3/18
Why usual speed is subtracted from increased speed why not increased - usual .
Answer
3
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What are you looking for?
Q.44.
Q. Solve for x.
Thanks! R.d. Sharma's answer contradicts my opinion! It should be second one, ryt?
1.
2.
In both equation, what is taken as 'b' in quadratic formula?
Q. In a quadratic equation if a > 0 what can you say about the graph of it?
Q. The sum of the squares of two natural numbers is 52. If the first number is 8 less than twice the second number, find the numbers.
14. If (x-6) is a factor of x3+ax2+bx-b and a-b=7, find the value of a and b.
15. Solve the following pair of linear equations for x and y:
16. Solve for
18. If an isosceles triangle ABC, in which AB=AC=6 cm is inscribed in a circle of radius 9cm. Find the area of the triangle.