Question

If x^2+1/16x^2=31/2, find the value of x^3+1/64x^3

Answer 1

Answer:

Put x^1/2=y in the above equation then solve the biquadratic equation in terms of y to find the roots finally put roots equall to x^1/2 and square both sides to find the root of the equation in x.

If you want a detailed explantion. Just ask for it