Use an appropriate substitution, then a trigonometric substitution to evaluate the integral: 1= 2sec et +C...

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Use an appropriate substitution, then a trigonometric substitution to evaluate the integral: 1= 2sec ¹et +C None of these 1-S= dt 20 O & I= sec ¹e + C 1 = sec ¹ + C Use an appropriate substitution, then a trigonometric substitution to evaluate the integral: 1= 2sec ¹et +C None of these 1-S= dt 20 O & I= sec ¹e + C 1 = sec ¹ + C