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The equation of a curve is xy^2= x^2 +1. Find dx/dy in terms of x and y, and hence find the coordinates of the stationary points on the curve.

dy/dx = (2x-y 2 )/(2xy)Stationary points: (1, root(2)) , (1, -root (2))
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Answered by Rishi S. • Maths tutor
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Donnez des exemples de ce que vous aimez faire pendant votre temps libre.

Pendant mon temps libre j'aime faire beaucoup de sport parce que c'est mon intention de rester toujours en forme. Depuis ma jeunesse, j'ai eu une passion pour le tennis car je regardais les meilleurs profess...
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Answered by Louis G. • French tutor
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What is one of the central themes in the play Men Should Weep any is this the case?

Poverty is one of the central themes in Ena Lamont Stewart's play Men Should Weep as seen through the setting of the play and in the characters' dialogue. Set in Glasgow during the 1930s depression the world...
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Answered by Lauren B. • English tutor
2911 Views

The function f has a local extreme at point (1,4). If f''(x)=3x^2+2x, then find f(0)?

A local extreme point would mean that f'(1)=0. Since integration is the inverse application of derivation, to obtain f'(x) function we integrate the f''(x) function. Bearing in mind the integration rule of i...
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Answered by Moris T. • Maths tutor
1555 Views

How to distinguish between voluntary and involuntary manslaughter

In both cases a death has occurred. We all know that for someone to be guilty of murder they must have satisfied the actus reus and the mens rea, they must have unlawfully caused the death and they must have...
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Answered by Lisa-Marie O. • Law tutor
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