Advertisements
Advertisements
प्रश्न
If x = − 5 and y = − 8, evaluate:
4x2
बेरीज
Advertisements
उत्तर
4x2
= 4 × x × x
= 4 × (− 5) × (− 5)
= 100
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If m = 2, find the value of 3m2 − 2m − 7.
If m = 2, find the value of `(5m)/2 - 4`.
If a = 2, b = −2, find the value of a2 + b2.
If x = 4, evaluate:
x2 – 2x
If x = – 6, evaluate:
11x
If a = 5 and b = 6, evaluate:
2b2
If m = 3 and n = 7, evaluate:
5mn2
If y = − 8, evaluate:
`"y"^3/4`
If m = − 8 and n = − 2, evaluate:
12mn
The wages ₹ W of a man earning ₹ x per hour for t hours are given by the formula W = xt. Find his wages for working 40 hours at a rate of ₹ 39.45 per hour.
