'Find the first derivative, with respect to x, of arctan(1/x) for non-zero real x. Hence show that the value of arctan(x)+arctan(1/x) is constant for all non-zero x, explicitly stating this constant in your final answer.' How do I solve this?
I have linked the solution to this problem here.
https://www.icloud.com/iclouddrive/0mLKDeFREhbvTJm6D09jFakcw#Solution
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