Advertisements
Advertisements
प्रश्न
If a = − 10, evaluate:
`1/5xx"a"^2`
योग
उत्तर
`1/5xx"a"^2`
= `1/5xx("a"xx"a")`
= `1/5xx(-10)xx(-10)`
= `1/5xx100`
= 20
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
If a = 2, b = −2, find the value of a2 + ab + b2.
Simplify the expression and find the value if x is equal to 2:
3 (x + 2) + 5x - 7
What should be the value of a if the value of 2x2 + x − a equals to 5, when x = 0?
If m = 3 and n = 7, evaluate:
(10m)2
If y = − 8, evaluate:
6y + 53
If x = 2 and y = − 4, evaluate:
8x2
If m = 9 and n = − 2, evaluate 2m2n
If m = − 8 and n = − 2, evaluate:
3m2n
If x = − 5 and y = − 8, evaluate:
2xy2
From the formula B = 2a2 – b2, calculate the value of B when a = 3 and b = − 1.
