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A: x³/3 + 3ln(x) + A.

Step-by-step solution:

Integral (x²+3/x dx) =

[as integrals preserve sums]

integral ...

Trigonometric identities are sometimes tricky, as they are very hard to distinguish one from another. The best way of doing it is obviously by practising, but one thing I always find helpful is to give...

To solve a quadratic equation we need to find the value of x for which ax²+bx+c=0,where a,b,c are constants.There are some well known formulas which you should get accustomed with.Howe...

This is a function which is in the form, 

y = f(x)g(x)

It's the product of two functions and so we must make use of the product rule. This i...

To differentiate x^2

Step 1) whatever the number on the power, put that in front of x. 

Step 2) Then minus one (-1)  from the power

Therefore, by putting the n...