Question: Please help me solve question 4. Please show your steps. Thank you! 4. Find the derivative of x2 + cosx if x 0. (Hint: You

Please help me solve question 4. Please show your steps. Thank you!

Please help me solve question 4. Please show your steps. Thank you!

4. Find the derivative of x2 + cosx if x 0. (Hint: You need to check the differentiability at 0.)

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