Advertisements
Advertisements
प्रश्न
If a = 2, b = −2, find the value of a2 − b2.
योग
Advertisements
उत्तर
a2 - b2 putting a = 2 and b = -2 in the given equation
= (2)2 - (-2)2
= 4 - 4
= 0
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Algebraic Expressions - EXERCISE 10.2 [पृष्ठ १६८]
APPEARS IN
संबंधित प्रश्न
When a = 0, b = −1, find the value of the given expression:
2a + 2b
If z = 10, find the value of z3 − 3 (z − 10).
If m – 6, evaluate:
2m2 + 3m
If x = 5 and y = 4, evaluate:
8xy
If m = 3 and n = 7, evaluate:
(10m)2
If y = − 8, evaluate:
y2 + 12y
What is the value of the expression 7 - 2x when x = -4?
Evaluate the expression \[n^3+5n^2+5n-2\] n = −2.
Evaluate -p2 when p = 5.
Which expression has a value of 18 when x = 3?
