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Make y the subject of this formula: 9x = p(8 + y) + 5

When rearranging an equation, the most important thing to remember is that whatever you do to one side of the equation you must do to the other. In order to make y the subject you want to isolate it so that ...
TB
Answered by Tara B. • Maths tutor
4562 Views

Solve the following integral: ∫ arcsin(x)/sqrt(1-x^2) dx

We will solve the integral by part. We know the formula for integration by parts: ∫ f(x)'g(x)dx=f(x)g(x)-∫f(x)g(x)'dx (1) . We know that: (arcsin (x))'=1/sqrt(1-x^2) . So we can write arcsin(x)/sqrt(1-x^2) d...
IC
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Factorise x^2-25

=(x-5)(x+5)
UP
Answered by Urja P. • Maths tutor
3816 Views

How do you know what to do first when solving composite function?

So when you're solving a composite function you carry out the function closest to the 'x' first. It is useful to think of a composite function as the function of a function. Let me demonstrate with an exampl...
MF
Answered by Molly F. • Maths tutor
3798 Views

64^-1/3

64 -1/3 = 1/64 1/3 = 1/4
TK
Answered by Tanner K. • Maths tutor
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