Top answers

Maths
All levels

Is the trapezium rule an exact method of integration?

The trapezium rule is not an exact method of integration, as it approximates the gradient between 2 ordinates to be constant. This method produces an overestimation for convex functions and underestimate ...

Answered by Maths tutor
2800 Views

Find all of the roots of the equation y = 3x^3 - 12x

Step 1: Remove the most obvious factor, in this case 3x. y = 3x (x2 - 4) Step 2: Realize (x2 - 4) is the product of two squares and can undergo completing the square to produce ...

VD
Answered by Victoria D. Maths tutor
3168 Views

Josie is paid £1200 per month. She is going to receive an increase of 4% in the amount she is paid. Work out how much money Josie we be paid each month after the increase.

We need to first work out what 4% of £1200 is. 1% of £1200 = £(1200/100) = £12. 1% is £12, so 4%= 4*£12 = £48. She will receive a £48 increase.Adding that on to her original amount, £1200 + £48 = £1248.Fi...

JB
Answered by Jack B. Maths tutor
2632 Views

Find the point(s) of intersection of the graphs y=x^2+4x-21 and x+y=-27 using an algebraic method.

As, at the point of intersection, the values of x and y are the same in each graph (otherwise it wouldn't be a point of intersection!), we can approach the problem as solving a pair of simultaneous equati...

PB
Answered by Peter B. Maths tutor
3245 Views

f(x)=6/x^2+2x i) Find f'(x) ii) Find f"(x)

2-12/x^3
36/x^4

Answered by Maths tutor
3280 Views

We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences