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Filename: controllers/calculator.php

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Derivative is the change in one quantity when there is a relative change in another given quantity. **The method of solving a derivative for a function is called a Derivation.** Derivative calculator is a tool that helps to derive a function in relative to the chosen variable till the tenth order.

f'(x) = lim_{(h--> 0)} [f(x+h) - f(x) ] / h

f'(x) = lim_{(h--> 0)} [2(x+h) - 2(x)] / h

f'(X) = lim_{(h--> 0)} [ (2x+2h) - (2x) ] / h

f'(x) = lim_{(h--> 0)} [ 2h / h ]

f'(x) = lim_{(h-->0)} [2]

**f'(x) = 2**

f'(x) = lim

f'(X) = lim

f'(x) = lim

f'(x) = lim

f'(x) = lim

f'(x) = lim

f'(x) = lim

f'(x) = lim

f'(x) = lim