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A curve is defined by the parametric equations x = 3 - 4t, and y = 1 + 2/t. Find dy/dx in terms of t.

At first glance, this looks quite tricky, as usually when we are asked to find dy/dx, we have one equation, but here we have 2.So in this case, we need to use the statement that dy/dx = (dy/dt) * (dt/dx)Then...
WM
Answered by Wesley M. • Maths tutor
11311 Views

What is the integral of (6x^2 + 2/x^2 + 5) with respect to x?

When we think of integration, we should be thinking of the same method every time; adding one to the power, and then dividing by that new power.The integral of the sum of each of these terms is equal to the ...
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Answered by Wesley M. • Maths tutor
8849 Views

Evaluate the view that religious beliefs and organisations are barriers to social change. (20 marks)

This question requires students to present theories/ perspectives that argue that religion prevents social change or maintains how things currently are in society. Students should first address the view in t...
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Answered by India P. • Sociology tutor
24832 Views

What is clonal selection?

Clonal selection is a part of human immune response where specific B or T-helper lymphocytes are chosen to undergo clonal expansion B-lymphocytes and T-helper lymphocytes have unique and specific antigen rec...
OM
Answered by Oliver M. • Chemistry tutor
52065 Views

How does sonata form work?

Sonata form is one of those things that seems rather scary at first, but once you get to grips with it it's actually a lot more simple than you think, and unlocks a whole load of music in one go! So, here go...
SJ
Answered by Sebastian J. • Music tutor
6342 Views