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A curve has the equation y = (1/3)x^3 + 4x^2 + 12x +3. Find the coordinates of each turning point and determine their nature.

The turning point of a curve can be visualised in your head (or on paper/screen using diagram) as the point in which the curve charges direction – and at this point the gradient of the curve is equal to...

Answered by Dan S. • Maths tutor

4776 Views

explain how a cyclotron produces a high energy electron

-cyclotron consists of 2 dees connected to an AC power supply. When an electron is released from a source in the centre of the cyclotron, it is initially attracted towards the positively charged dee, due ...

Answered by Toby S. • Physics tutor

2114 Views

given that at a time t, a particle is accelerating in the positive x-direction at 1/t ms^-2, calculate the velocity and the displacement of the particle at time t = 2s

v=ln2, x=2ln2 - 2

Answered by Toby S. • Maths tutor

3855 Views

I can never think of anything to write about unseen literature during exams- how can I improve?

No problem! Finding things to say is tricky, especially under test conditions. The first thing we need to do is go through the tick-list of what needs including- an introduction and conclusion, and roughl...

Answered by Merle W. • English tutor

2189 Views

Write 156 as a product of its prime factors.

Before we begin to answer this question we need to have a clear idea of what a prime number is: A prime number is a number greater than 1 that cannot be found by multiplying 2 smaller numbers. To answer t...

Answered by Alexander A. • Maths tutor

15477 Views