Prove that if x is so small that x^3 and higher powers of x may be neglected that
{[1-x]/[1+x]}^1/2 = 1 - x + 0.5x^2
I just can't get it out. Help please! I have A levels beginning next week!!!!!!!!
Prove that if x is so small that x^3 and higher powers of x may be neglected that
{[1-x]/[1+x]}^1/2 = 1 - x + 0.5x^2
I just can't get it out. Help please! I have A levels beginning next week!!!!!!!!