If f(x) = ( a + x / b + x )x + cos x, find f'(0).Please solve it as soon as possible.
Arjya Dutta , 5 Years ago
Grade 11
Differential Calculus> If f(x) = ( a + x / b + x ) x + cos x, fi...
1 Answers
Aditya Gupta
Last Activity: 5 Years ago
Answer should be ln(a/b) because cos differentiation is sinx which is zero at x=0.
Also, to differentiate the first part, take it equal to y then take log both sides and then differentiate using chain rule and put x=0 :)
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