Advertisements
Advertisements
प्रश्न
Simplify this expression and find its value if x = 3, a = −1, b = −2.
2a - 2b - 4 - 5 + a
बेरीज
उत्तर
2a - 2b - 4 - 5 + a on putting a = -1, b = -2 in the given equation
= 2a + a - 2b - 4 - 5
= 3a - 2b - 9
= 3 × (-1) - 2 (-2) - 9
= -3 + 4 - 9
= -8
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If p = -2, find the value of -2p3 - 3p2 + 4p + 7.
If a = 2, b = −2, find the value of a2 + b2.
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3a + 5 - 8a + 1
If z = 10, find the value of z3 − 3 (z − 10).
If x = 4, evaluate:
12x + 7
If a = – 10, evaluate:
a2
If x = 2 and y = − 4, evaluate:
11xy
If x = 2 and y = − 4, evaluate:
(5y)2
If m = − 8 and n = − 2, evaluate:
(4n)2
If x = − 5 and y = − 8, evaluate:
4x2
