find the value of` (-2)^(-1/3)`

If x is so small such that its square and higher powers may be neglected, the find the value of ((1-2x)^(1//3)+(1+5x)^(-3//2))/((9+x)^(1//2))

If x is so small such that its square and higher powers may be neglected, then find the value of ((1-2x)^(1//3) + (1+ 5x)^(-3//2))/((9+x)^(1//2))

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

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

If x^2+1/(x^2)=51 , find the value of x^3-1/(x^3)

if a=2 + sqrt3 , then find the value of (a-1/a) .

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

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

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

Find the value of : 8-6+(-2)-(-3)+1