(ii) `(2x+5)(2x-5)`

Factorize : (1) 7(2x+5)+3(2x+5) , (2) (x+2)y+(x+2)x , (3) 5a(2x+3y)-2b(2x+3y) , (4) 8(5x+9y)^2+12(5x+9y)

Evaluate : (i) (2x - (3)/(5) ) (2x + (3)/(5) )

The factors of x^4-x^2-10x-25 are (a) (x^2+3x+5)(x^2-3x+5) (b) (x^2+3x+5)(x^2+3x-5) (c) (x^2+x+5)(x^2-x+5) (d) none of these

5 more than twice a number x is written as (a) 5+x+2 (b) 2x+5 2x-5 (d) 5x+2

The number of terms in the terms of (2x+5)^(6)+(2x-5)^(6) is

The measure of angles of a hexagon are x^0,\ (x-5)^0,\ (x-5)^0,\ (2x-5)^0,\ (2x-5)^0,\ (2x+20)^0dot Find the value of xdot

Simplify : (2x-5y)^3-(2x+5y)^3

Find values of x , if(i) |(2, 4),( 5, 1)|-|(2x,4),( 6,x)| (ii) |(2, 3),( 4, 5)|-|(x,3),( 2x,5)|

Find the derivative of the following functions w.r.t x (i) sqrt(3x -2) for x gt 2/3 (ii) (2x^(2) +3)^(5/3) (x+5)^(-1/3)

Find the values of x in each of the following : (i) 2^(5x)-:2^x=2^(20/5) (ii) (2^3)^4=(2^2)^x