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What is the differential of (14x^3-3x^2)^3

Chain Rule- Differential of the bracket x the initial power of the bracket x the initial bracketpower-1 --- So Differential of bracket is 42x2- 6x---

Answered by • Maths tutor
2459 Views

I don't understand integration by parts - can you explain it please?

(Apologies I don't have the relevant diagrams here so this reads longer than it actually is on paper)

1) First it's important to establish that the prior knowledge is there before expla...

Answered by • Maths tutor
3227 Views

A group of 5 people order 2 8 inch pizzas, with heights 2cm and 1cm, and density 3/pi g/cm^3, and 5/pi g/cm^3 respectively. If they divide each pizza evenly, how much pizza, in grams, does each person eat? Use 1 inch = 2.5 cm.

This is a slightly advanced GCSE question, involving multiple steps. Each step is quite simple however.First, set out the known variables. Note that the 8 inches is the pizza diameter.r = 8*2.5/2 = 20/2 =...

Answered by Ibrahim Q. • Maths tutor
2390 Views

Solve the following simultaneous equations: 3x + y = 11, 2x + y = 8

This problem can be solved by using elimination.Label 3x + y = 11 as equation (1) and 2x + y = 8 as equation (2).We first want to eliminate one of the variables so that we can then reach a value for the o...

Answered by Oscar D. • Maths tutor
3795 Views

How can I find the correct list of solutions whilst solving a trigonometry equation?

If you are unsure of the number of solutions to an equation, it is always best to start with a diagram. By drawing a diagram then marking out the boundaries specified in the question, it is easy to visual...

Answered by Owen C. • Maths tutor
2433 Views

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