Advertisements
Advertisements
Question
Evaluate the following:
`9^(5/2) - 3 xx 5^0 - (1/81)^((-1)/2)`
Sum
Advertisements
Solution
`9^(5/2) - 3 xx 5^0 - (1/81)^((-1)/2)`
= `3^(2 xx 5/2) - 3 xx 1 - (1/81)^((-1)/2)`
= `3^5 - 3 - 9^(2 xx 1/2)`
= 243 - 3 - 9
= 231.
shaalaa.com
Solving Exponential Equations
Is there an error in this question or solution?
