Question

find the derivative of this question ​

Answer 1

Answer:

-2/√1-x²

Step-by-step explanation:

cos⁻¹(2x√1-x²)

x=sinΘ

cos⁻¹(2sinΘ√1-sin²Θ)

cos⁻¹(2sinΘcosΘ)

cos⁻¹(sin2Θ)

cos⁻¹(cos(π/2-2Θ))

(π/2-2Θ)

π/2-2sin⁻¹x         =y

dy/dx=-2/√1-x²

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Answer 2

Answer:

$- 1 \div \sqrt{ - 2x ^{3 } - 2x + 1 }$

Step-by-step explanation:

I hope its correct and helps u