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| 1. |
Derivative of x+1÷x using first principle |
| Answer» f(x)= x+1 / x f(x+h)= (x+h) +1/(x+h)By definition of first principal : lim h tends to 0 : f (x+h) -f(x) /h (x+h+1/x+h - x+1/h )/h ( xh+ h2 +h -x2 -hx -x -h /(x+h)h)/h | |