Question

d/dx(cos(x)^1/2)^1/2=? please don't give irrevealeant answers ​

Answer 1

Answer:

Use the chain rule. Explanation: ddx(√x)=ddx(x12)=12x12−1=12 x12−22=12x−12=12x12=12√x.

Step-by-step explanation:

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Answer 2

Answer:

$d {}^{2} = 56 \: and \: d = \sqrt{56}$