3.Find the value of `x` if `2^-5 = 1/2^x`

Find the value of x if x^2+5x+6=0

Find the values of 1/x for 2lexle5 .

Find the value of ∫2x cos (x2 – 5).

Find the value of 3x^2-5x+8 for x=3

Find value of x if x^2+5|x|+6=0

Find the values of x , if |[2, 4], [5, 1]|=|[2x,4], [6,x]|

Find the value of x if A= |(3x, 2), (5x,1)| if |A|= 5

For 2 lt x lt 4 find the values of |x|. (ii) For -3 le x le -1 , find the values of |x|. (iii) For -3 le x lt 1, find the values of |x| (iv) For -5 lt x lt 7 find the values of |x-2| (v) For 1 le x le 5 find fthe values of |2x -7|

Find the value of x if |[2, 1 ,x+1],[-1,3,-4],[0,-5,3]|=0

If x=1/(2-sqrt(3)), find the value of x^3-2x^2-7x+5