If `x^8+1/x^8=a` then find (i) `x+1/x`

If x-1/x=8 then find x^2+1/x^2 and x^4+1/x^4

If x + 1/x = 8 and x - 1/x = -8 , then find the value of x^2 - 1/(x^2)

If 2x - (1)/(2x) =4 , find : (ii) 8x^(3) - (1)/( 8x^3)

Find the value of : ( x^(1/2 ) + x^(-1/2 ) ) times ( x^(1/4 ) + x^(-1/4 ) ) times ( x^(1/8 ) + x^(-1/8 ) ) times ( x^(1/8 ) - x^(-1/8 ) ) ( a ) x + 1/x ( b ) ( x^2 -1 )/x

If 1+x+x^(2)+....+x^(p)=(1+x)(1+x^(2))(1+x^(4))(1+x^(8)) then find the value of p

Find the coefficient of x^8 in the expansion of (x^2-1/x)^(10)

Find the coefficient of x^8 in the expansion of (x^2-1/x)^(10)