Find the value of `[( -3/4) ^-2 ]^2`

Find the value of: (-4) -: 2/3

Find the value of (2/3)^-2

find the value of [(-2)^(-2)]^(-3)

Find the value of (4)^3 div (4)^-2

If 2x+3y=8 and x y=2 , find the value of 4x^2+9y^2

If a is a root of x^(2) - 3x-5=0 find the value of a^(4) - 2a^(3) - 7a^(2) -8a

Q find the value of:- (-4) div (2/3)

Find the value of 5C_3 + 4C_2

Find the Value of (1/3)^-2+(1/4)^-2+(1/5)^-2

Find the value of. (i) (3^@+4^(-1)) xx 2^2 (ii) (2^(-1)xx 4^(-1))-: 2^(-1) (iii) (1/2)^-2 + (1/3)^-2 + (1/4)^-2 (iv) (3^-1 + 4^-1+ 5^(-1))^0 (v) {((-2)/3)^-2}^2