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x = t^3 + t, y = t^2 +1, find dy/dx

dy/dx = dy/dt x dt/dx

x = t³ + t

dx/dt = 3t² +1

y = t² +1

dy/dt = 2t

dy/dx = 2t x (1 / (3t² +1) )

= 2t / (3t²

Answered by Sukhwinder K. • Maths tutor

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Using a case study, assess whether the primary effects of a volcanic eruption are more or less significant than those of an earthquake. (8mks)

The primary effects of volcanic eruptions and earthquakes, those effects that occur as a direct result of the event, vary significantly due to the differing nature of the hazard involved and the differing...

Answered by Tor W. • Geography tutor

4551 Views

With reference to at least two plays you have studied, explore how the playwrights’ use of contrasting characters contributes to the impact of the plays.

Yet there are also distinct differences between the two plays. Tom and Amanda are trying to uplift Laura, and help her develop her own character, whereas Biff and Happy are trying to calm Willy down and s...

Answered by Olivia-Savannah R. • English Literature tutor

3817 Views

What are the components of a circulatory system in the human body?

The heart pumps blood around the body. Blood is carried by blood vessels: arteries and veins. Arteries carry blood away from the heart, and then divide into smaller arterioles. Arterioles carry blood into...

Answered by Punit S. • Medical School Preparation tutor

6518 Views

Solve 7x - 14 = 4x + 7

Like all equations, you're going to start off by getting all the x's on the same side of the = side and all the rest on the other side. So we start off with 7x-14=4x+7. Moving the x's to one side means th...

Answered by Daan F. • Maths tutor

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