bjr
A = √[(x²)²] = x² (√(a²) = a
B = √(x³) = √(x²*x) = √(x²) √x = x√x
C = √x / x² = √x / (x √x√x) = 1/x√x (x = √x√x)
(x + √x)² = x² + 2x√x + (√x)² (a + b) ²= ...
= x² + 2x√x + x
(x + √x)(x -√x) = x² - (√x)² = x² - x (a + b)(a - b) =...
