Find the values of x for which `1/sqrt(5+4x)` can be expanded as infinite series

Find the value of x, for which 1/(sqrt(5+4x)) can be expanded as infinite series.

Find the values of x of for which sqrt(5-|2x-3|) is defined

Find the value of x' if 3sqrt(4x-5)-5=0

Find the value of x for which (5x+2),(4x-1) and (x+2) are in A.P.

find the value of x - 1/x if x = 7-4sqrt5

Find the values of k for which the following pair of linear equations has infinitely many solutions : 2x - 3y = 7, ( k + 1 ) x + ( 1 - 2k) y = ( 5k - 4) .

Find the value of k for which following system of equations have infinitely many solution: x+(k+1)y=4,quad (k+1)x+9y=5k+2

Find all the real values of x for which (x-1)/(4x+5)lt(x-3)/(4x-3)

Find the value of x for which following expressions are defined: (1)/(sqrt(x-|x|))( ii) (1)/(sqrt(x+|x|))

Find the value of sqrt(x)-(1)/(sqrt(x)) if x=7+4sqrt(3)