`(2/3)^(-5) ` is equal to

(2/3)^(-5)x\ (5/7)^(-5) is equal to (a) (2/3x5/7)^(-10) (b) (2/3x5/7)^(-5) (c) (2/3x5/7)^(25) (d) (2/3x5/7)^(-25)

intx^(-2//3)(1+x^(1//2))^(-5//3) dx is equal to

The value of the integral I=int_((1)/(sqrt3))^(sqrt3)(dx)/(1+x^(2)+x^(3)+x^(5)) is equal to

(-(3)/(4))^(5) is equal to

lim_(x to oo) ((x^(2)+ 5x+3)/(x^(2)+x+3))^(x) is equal to

(-5)^(2)xx(-1)^(5) is equal to

(2/(1-i) + 3/(1+i))((2+3i)/(4+5i)) is equal to

sin{2\ cos^(-1)(-3/5)} is equal to (a) 6//25 (b) 24//25 (c) 4//5 (d) -24//25

2[(1)/(2x + 1) + (1)/(3(2x + 1)^(3)) + (1)/(5(2x + 1)^(5)) + (1)/(5(2x + 1)^(5)) + …] is equal to ,

(sqrt(-3))(sqrt(-5)) is equal to