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evaluate the integral of lnx

this is an example of an integration by parts problem, we must use integration by parts to evaluate this integral;although this would not be entirely obvious as the integral does not seem to be the product o...
AR
Answered by Aaron R. • Maths tutor
3527 Views

How do I solve the equation x^2 + 6 = -5x

This equation is an example of a quadratic equation, which is noticeable by the presence of the x 2 term on the left hand side. We begin to solve these types of equations by moving all the terms to one side ...
VA
Answered by Viktor A. • Maths tutor
5089 Views

how do i factorise a quadratic equation when the coefficient of x^2 is not 1?

Let us take this quadratic equation as an example:2x 2 - 3x - 14 = 0The key here is to look for two numbers that multiply to the same number that 2 and -14 multiply to make, so that is 28. The numbers should...
ET
Answered by Ella T. • Maths tutor
4224 Views

Let f(x)= x/5 + 1 . Find f^-1(x)

f^-1(x)= 5(x-1)
EC
Answered by Ella C. • Maths tutor
3296 Views

Make x the subject of the formula y = x/3 -2a

y =x/3 - 2a y + 2a = x/3 3y+6a = x
EC
Answered by Ella C. • Maths tutor
9501 Views