Advertisements
Advertisements
प्रश्न
If x = – 6, evaluate:
2x3
Advertisements
उत्तर
2x2
= 2 × (− 6)3
= 2 × (− 6) × (− 6) × (− 6)
= 2 × (− 216)
= − 432
APPEARS IN
संबंधित प्रश्न
Find the value of the following expression, when x = -1:
x2 + 2x + 1
If a = 2, b = −2, find the value of a2 + b2.
Simplify the expression and find the value if x is equal to 2:
4 (2x - 1) + 3x + 11
If x = 4, evaluate:
12x + 7
If x = 5 and y = 4, evaluate:
8xy
If y = 5 and z = 2, evaluate:
100yz
If m = 3 and n = 7, evaluate:
4n2
If m = 9 and n = − 2, evaluate 2m2n
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.
The temperature in the Fahrenheit scale is represented by F and the temperature in the Celsius scale is represented by C. If F = `9/5` × C + 32, find F when C = 40.
