Subjects/Calculus II/Trigonometric substitution and quadratic radicals/Completing the squareSection 7.3Completing the squareBefore using trigonometric substitution, a quadratic must be written in a standard form:Copy LaTeXx2+Bx+C=(x+2B)2+C−4B2.View detail →For example,FormulaCopy LaTeX2ax−x2=a2−(x−a)2.View detail →
Before using trigonometric substitution, a quadratic must be written in a standard form:Copy LaTeXx2+Bx+C=(x+2B)2+C−4B2.View detail →