Algebraic identity for (a+b)^2
Trending Questions
Q. If a2+1a2 = 23, then the value of a+1a is equal to .
- ±2
- ±3
- ±5
- ±7
Q. If (a+1a) =5,
then find the value of (a2+1a2).
then find the value of (a2+1a2).
- 25
- 23
- 32
- 45
Q. 9a2−125a+425 can be expressed as ____.
- (a−25)2
- (3a−25)2
- (2a−25)2
- (a−52)2
Q.
Expand: (x+1x)2
x2−1x2+2
x2+1x2−2
x2+1x2+2
x2+1x+2
Q. If a=6p and b=3p,
then find the expansion of
(a+b)2+(a−b)2.
then find the expansion of
(a+b)2+(a−b)2.
- 72p2−18q2
- 72p2+18q2
- 18p2+72q2
- 18p2−72q2
Q.
If x2+y2=14 and xy=3,
then find the value of
2(x+y)2−5(x−y)2.
0
106
52
14
Q. Using an identity, find the square of 101.
- 10201
- 10401
- 10201
- 10204
Q. If (a+1a) =5,
then find the value of (a2+1a2).
then find the value of (a2+1a2).
- 25
- 23
- 32
- 45
Q. If each side of a square is of length
(x+5) units, then find its area?
(x+5) units, then find its area?
- x2−25 sq units
- x2+25 sq units
- x2−10x+25 sq units
- x2+10x+25 sq units