If \( y=\left(2-x^{2}\right)^{4} \), then find \( \frac{d y}{d x} \...

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If \( y=\left(2-x^{2}\right)^{4} \), then find \( \frac{d y}{d x} \)
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(1) \( 4\left(2-x^{2}\right)^{3} \times(2 x) \)
(2) \( 4\left(2-x^{2}\right)^{3} \)
(3) \( 4\left(2-x^{2}\right) \times 2 x \)
(4) \( -8 x\left(2-x^{2}\right)^{3} \)
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