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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. x 2 + y 2 + 2xy = xy 2 Then differentiate each term with respect to x. dy/dx of (x 2 ) = 2x dy/dx of (y 2 ) = 2y(dy/dx) (Using ...
MO
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 period of ...
CG
Answered by Caroline G. • LNAT tutor
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What is the Just War theory?

FOR GCSE & A LEVEL OVERVIEW: A just war is one that is fought for the correct reasons and on the basis of virtuous principles . In this case, a war is just because it is justified . In relation to Christ...
JT
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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 knowlege...
SH
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How do I solve this inequality: x^2>2x ?

Solve the equation x 2 =2x (solve x 2 -2x=0 by factorisation). Sketch the graphs y=x 2 and y=2x, using standard graph shapes. Look at the sketch to see for which values of x the graph y=x 2 lies above y=2x; ...
JK
Answered by Jan K. • Maths tutor
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