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akanksha
How is (4a^(4log(a,x)))/x = 4x^3 ? http://www.wolframalpha.com/input/?i=%284a^%284log%28a%2Cx%29%29%29%2Fx
How is it 4x^3 ? Can you derive ?
use the property that \(a^{\log_a x}=x\)
(4a^log(a,x)^4)=4x^4 4x^4=4x^4
Oh right ! Thanks @watchman. Thanks A7med.