Find the value of `x^(2)-2x` at `x=-1`

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

Find the value of -2x^2 if x=1

Find the value of x ^(3) - x ^(2) + 2x + 10 when x = 1 + sqrt3 i

If x - 1/x = a , find the value of x^2 + 1/x^2

If f(x + 2) = 2x^2 - 3x - 1 , find the value of f(x + 1)

Find the value of x if ((x+2)!)/((2x-1)!).((2x+1)!)/((x+3)!)=72/7, where x epsilon N

Find the value of x if ((x+2)!)/((2x-1)!).((2x+1)!)/((x+3)!)=72/7, where x epsilon N

Find the value of x : 3 (x-2) = 2 (x+1)-3

If x = 4 +sqrt(15) . Find the value of x^(2) +(1)/(x^(2)) and x^(3) + ( 1)/(x^(3))

.Find the value of x^(2)+(1)/(x^(2)) , if x=(1)/(x)=7