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in Differentiation by (25 points)
If y = cos^-1 2x + 2cos^-1root 1 - 4x^2

-1/2<x<0

Find dy/dx

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1 Answer

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by (49.4k points)
edited by

We have y = cos–1(2x) + 2cos–1√(1 – 4x2)

by (25 points)
But ans given in book is -6/root over 1-4x^2
by (49.4k points)
Now check it

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