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If f(x) = ae^2x + be^x + cx, f(0) = –1, f′(ln 2) = 4, if 

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If f(x) = ae2x + bex + cx, f(0) = –1, f′(ln 2) = 4, if \(\int ^{ln \,4}_ {0}\) (f(x) - cx)dx = \(\frac {39}{2}\) find |a + b + c|

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Correct answer is : 25

From (ii) & (iii)

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