1.

If y=tan−1⎛⎝logex3log(ex3)⎞⎠+tan−1(3+3logx1−9log(x)),then d2ydx2=

Answer»

If y=tan−1⎛⎝logex3log(ex3)⎞⎠+tan−1(3+3logx1−9log(x)),then d2ydx2=



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