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Maths

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How do I solve a quadratic equation?

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...

Answered by Marco-Iulian G. • Maths tutor

4772 Views

Differentiate: y = xsin(x)

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...

Answered by Oliver R. • Maths tutor

86451 Views

Differentiate x^2

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...

Answered by Anjana M. • Maths tutor

3795 Views

Integrate (x^3 - x^2 - 5x + 7) with respect to x.

Remember to integrate you +1 to the power and divide by the new power:(x³⁺¹/3+1) - (x²⁺¹/2+1) - 5(x¹⁺¹/1+1) + 7(x⁰⁺¹/0+1) + CDONT FORGET YOUR CONSTANTx⁴

Answered by Nathan L. • Maths tutor

4738 Views

How should I aproach a connected rates of change question.

You should start by identifying which parts have a fixed rate of change e.g. water is being poured in at 50 cm^3/s. You should then identify what is changing in relation to this e.g the height of fluid in...

Answered by Kyle C. • Maths tutor

6679 Views