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A curve has the equation (x+y)^2 = xy^2. Find the gradient of the curve at the point where x=1

The first step is to find dy/dx.

To do this you must first expand the brackets.

x² + y² + 2xy = xy²

Then differentiate each te...

Answered by Motunrayo O. • Maths tutor

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How should I prepare for the LNAT multiple choice?

The multiple choice section of the LNAT is a verbal reasoning and critical thinking marathon (95 minutes long). The average score in most years is below 50%. To prepare your brain for this intense peri...

Answered by Caroline G. • LNAT tutor

6934 Views

What is the Just War theory?

FOR GCSE & A LEVELOVERVIEW: A just war is one that is fought for the correct reasons and on the basis of virtuous principles. In this c...

Answered by Jasmin T. • Religious Studies tutor

8905 Views

What is the difference between an atheist and an agnostic?

Atheism and agnosticism are umbrella terms which cover a wide variety of different beliefs and knowledge claims about the existence of God. Atheism simply excludes the belief that God exists, or the kn...

Answered by Syed Hadi T. • Religious Studies tutor

7253 Views

How do I solve this inequality: x^2>2x ?

Solve the equation x²=2x (solve x²-2x=0 by factorisation). Sketch the graphs y=x² and y=2x, using standard graph shapes. Look at the sketch to see for which values of x...

Answered by Jan K. • Maths tutor

6976 Views