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Surds question 3 - C1 2016 Edexcel

Answer has to be explained verbally. I can provide a full written proof.

Answered by Mihir P. • Maths tutor

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Consider the function f(x) = 2/3 x^3 + bx^2 + 2x + 3, where b is some undetermined coefficient:

Find the equation of the normal to the curve y = 2x^2 -3x +7 at the point x = 1.

Find the area under the curve y=xsin(x), between the limits x=-pi/2 and x=pi/2.

differentiate parametrically y=3t+4 and x=2t^2 +3t-5

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