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is known as differential calculus. Both of these involve certain rules and regulations, which needs to be

understood before doing its actual calculation. Calculus Problem is generally involved various functions

including complex variables also. Apart from this, this also helps in determing or solving the various Physics

equations. This is very useful tool to generate a solution from very small information available. This is

because if we have only one strip related information we can generate complete figure information by

integrating with the limits specified.

This can be easily understood by taking the separate examples of the integral calculus and differential

calculus.

To find: - d/dx Cos (2x)

We know that,d/dx (Cosx) = -Sin x

Therefore, d/dx Cos (2x) = -Sin 2x. d/dx (2x) (because it is a composite function).

So d/dx Cos (2x) = -Sin 2x. (2 )

Therefore, d/dx Cos (2x) = 2. (-Sin 2x)

differentiation.

Here we have to find the integration of x

Now we know that,∫x

Therefore,

∫ x

x