Question

In: Math

For the function f(x) = x(x+1) find the exact formula for f′(x). Use only the definition...

For the function f(x) = x(x+1) find the exact formula for f′(x). Use only the definition of the derivative.

Solutions

Expert Solution

we know that according to definition derivative of a function f(x) is given by,

--------------------------------------------------1)

we have,

Hence,

we can write,

Hence,

Put this value in equation 1) we can write,


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