Simplify by rationalizing the denominator: 7 over square root of 21 Write the expression below in surd form and rationalize the denominator. Simplify the following complex number. (3 + i)/2 + (1 - i)/4. Solve this operation and express the answer as a simplified ...
If y = 1 / 2[x square root {4 - x^2} + 4 arcsin (x / 2)], find {dy} / {dx} in simplified form.Show that cos (arcsin x) = square root {1 - x^2}, knowing that cos y = (arcsin x) and sin (cos y) = x.Take arccos of both sides of the equation to find t...