" (ii) "((12^(1/5))/(27^(1/5)))^(5/2)

Simplify : [ 5^(2) (8^((1)/(3)) +27^((1)/(3)) )^(3) ]^((1)/(5))

The value of (1)/(6)+(1)/(12)+(1)/(20)+...(1)/(90) is (A) (1)/(5) (B) (2)/(5)(C)(3)/(5) (D) None of these

The value of (1)/(6)+(1)/(12)+(1)/(20)+......+(1)/(90) is: (A) (1)/(5)(B)(2)/(5)(C)(3)/(5) ( textrmD ) none of these

{(5 ^2+(12^2)^(1/2))}^3

The greatest among the following real numbers 1,2^((1)/(2)),3^((1)/(3)),4^((1)/(4)),5^((5)/(5)) is

((12),(1))+((12),(3))+((12),(5))+.....+((12),(11))=2^(12) .

EXAMPLE 12. Simplify: (2^(-1)div5^(-1))^(2) xx (frac(-5)(8))^(-1)

Re-arrange suitably and find the sum in each of the following: (2)/(3)+(-4)/(5)+(1)/(3)+(2)/(5) (ii) (1)/(8)+(5)/(12)+(2)/(7)+(7)/(12)+(9)/(7)+(-5)/(16)

Re-arrange suitably and find the sum in each of the following: 2/3+(-4)/5+1/3+2/5 (ii) 1/8+5/(12)+2/7+7/(12)+9/7+(-5)/(16)