133quiz5makeupsolution

133quiz5makeupsolution - Quiz 5 Solution 1. Compute dy if y...

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Quiz 5 Solution 1. Compute dy dx if ln(tanh 2 ) y x = . () 2 1 sech 2 2 tanh 2 dy x dx x ⎛⎞ = ⎜⎟ ⎝⎠ 2. Compute 1 2 0 cosh(2 ) x xdx . Diff Int 2 x cosh 2 x 2 x 1 sinh 2 2 x 2 1 cosh 2 4 x 0 1 sinh 2 8 x 1 1 2 2 0 0 1 cosh(2 ) sinh 2 cosh 2 sinh 2
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