differentiation

Question: $\frac{d}{{dx}}[\cos {(1 - {x^2})^2}]$=

1) $ - 2x(1 - {x^2})\sin {(1 - {x^2})^2}$

2) $ - 4x(1 - {x^2})\sin {(1 - {x^2})^2}$

3) $4x(1 - {x^2})\sin {(1 - {x^2})^2}$

4) $ - 2(1 - {x^2})\sin {(1 - {x^2})^2}$

Solution:

Explanation: Explanation

standard-differentiation

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