Advertisements
Advertisements
प्रश्न
If a = 2, b = −2, find the value of a2 − b2.
बेरीज
Advertisements
उत्तर
a2 - b2 putting a = 2 and b = -2 in the given equation
= (2)2 - (-2)2
= 4 - 4
= 0
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 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
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3x - 5 - x + 9
If x = 4, evaluate:
3x + 8
If m = 2, evaluate:
16m – 7
If x = 5 and y = 4, evaluate:
3x2y
If m = 3 and n = 7, evaluate:
5mn2
If m = 3 and n = 7, evaluate:
(10m)2
If p = − 10, evaluate:
`"p"^2/50`
If y = − 8, evaluate:
y2 + 12y
If x = 2 and y = − 4, evaluate:
8x2
