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Turning points of the curve y = (9x^2 +1)/3x+2

Use quotient rule to differentiate:

dy/dx = (18x(3x+2) - 3(9x²+1))/(3x+2)²

set dy/dx=0:

54x²+ 36x - 27x²- 3 = 0

9x² + 1...

Answered by Jacob H. • Maths tutor

3909 Views

What's the best way to approach source-based questions?

Source-based questions can be tricky. More than any other question format, examiners choose source-based questions to prevent candidates from simply regurgitating a pre-formed essay. In other words - they...

Answered by Leo S. • History tutor

3424 Views

What is the most effective way to answer an essay question in the exam?

Note: During the session I would have a practice question I would use to highlight these points more effectively and to help the student understand better. First of all it is necessary to read and underst...

Answered by Lourens S. • Business Studies tutor

5250 Views

With reference to two volcanic events that you have studied from contrasting areas of the world, compare the ways in which volcanoes and their hazards have been managed.

The management of a volcanic hazard can help to greatly reduce the negative impacts that an eruption can have on the population surrounding the area. The eruption of Nevado del Ruiz, Columbia, on the 13

Answered by Laura S. • Geography tutor

4248 Views

How do I calculate the reactant forces for the supports of the beam where the centre of mass is not same distance from each support?

This can be done by taking moments. To reduce the number of equations a moment should be taken so that one of the forces goes through the centre of place from which moments are being taken. We will choos...

Answered by Benjamin W. • Maths tutor

6346 Views