Advertisements
Advertisements
Question
If a = 2, b = −2, find the value of a2 + b2.
Sum
Advertisements
Solution
a2 + b2 putting a = 2 and b = -2 in the given equation
= (2)2 + (-2)2
= 4 + 4
= 8
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If a = 2, b = −2, find the value of a2 − b2.
Simplify the expression and find the value if x is equal to 2:
x + 7 + 4 (x - 5)
If x = 10, evaluate:
100x + 225
If x = 5 and y = 4, evaluate:
3y2
If x = 2 and y = 10, evaluate:
30xy
If x = 2 and y = − 4, evaluate:
(5y)2
If m = − 8 and n = − 2, evaluate:
12mn
Evaluate the expression \[n^3+5n^2+5n-2\] n = −2.
Evaluate \[a^2+2ab+b^2\] when a = 3 and b = 2.
Evaluate -p2 when p = 5.
