Advertisements
Advertisements
प्रश्न
If p = − 10, evaluate:
3p2 – 20p
बेरीज
Advertisements
उत्तर
3p2 – 20p
= (3 × p × p) − (20 × p)
= (3 × (− 10) × (− 10)) − (20 × (− 10))
= 300 − (− 200)
= 300 + 200
= 500
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If m = 2, find the value of m − 2.
If a = 2, b = −2, find the value of a2 + b2.
If p = −10, find the value of p2 − 2p − 100.
If x = 4, evaluate:
12x + 7
If x = 2 and y = 10, evaluate:
50xy2
If m = − 8, evaluate:
2m + 21
If x = 2 and y = − 4, evaluate:
8x2
If m = 9 and n = − 2, evaluate 2m2n
If x = − 5 and y = − 8, evaluate:
3y2
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.
