Advertisements
Advertisements
Question
If a = − 10, evaluate:
`1/5xx"a"^2`
Sum
Advertisements
Solution
`1/5xx"a"^2`
= `1/5xx("a"xx"a")`
= `1/5xx(-10)xx(-10)`
= `1/5xx100`
= 20
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Find the value of the following expression, when x = -1:
-x + 2
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
Simplify the expression and find the value if x is equal to 2:
4 (2x - 1) + 3x + 11
If a = 5 and b = 6, evaluate:
6a2b
If x = 8 and y = 2, evaluate:
9xy
If x = 5 and y = 4, evaluate:
3x2y
Find T, if T = 2a – b, a = 7 and b = 3.
What is the value of the expression 7 - 2x when x = -4?
Evaluate -p2 when p = 5.
