Thanks,
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a ) Recall log4(x) = ln(x)/ln(4) b) Differentiate the Rhs Keys tanh(x) ' = sech^2(x) sinh(x)cosh(x) = 1/2sinh(2x)
Kind regards
Hi, thanks for your support guys but i still dont understand how u integration from step 2 to step 3
Make the substitution a = ln(4+x), thus da = dx / (4+x)
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