Advertisements
Advertisements
प्रश्न
If x = 2 and y = − 4, evaluate:
(5y)2
बेरीज
Advertisements
उत्तर
(5y)2
= 5 × y × 5 × y
= 5 × (− 4) × 5 × (− 4)
= (− 20) × (− 20)
= 400
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If m = 2, find the value of 3m − 5.
Simplify this expression and find its value if x = 3, a = -1, b = -2.
2 - 8x + 4x + 4
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3a + 5 - 8a + 1
Simplify this expression and find its value if x = 3, a = −1, b = −2.
2a - 2b - 4 - 5 + a
Simplify the expression and find its value when a = 5 and b = −3.
2 (a2 + ab) + 3 − ab
If x = 10, evaluate:
100x + 225
If m = 9 and n = − 2, evaluate (2n)3
If m = − 8 and n = − 2, evaluate:
(4n)2
Evaluate -p2 when p = 5.
Which expression has a value of 18 when x = 3?
