Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §7.3 Trigonometric Substitutions, #56 · Calculus · Techniques of integration

Draw … and … to the same scale (… across and up…

Draw $y = 1/ 1 - x^{2}$ and $y = 1/ 16 - x^{2}$ to the same scale ( $1^{''}$ across and up; $4^{''}$ across and $\frac{1}{4}^{''}$ up).

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §7.3 Trigonometric Substitutions, #56

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