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(5 + 2(2^0.5))(7 - 3(2^0.5))

23 - 2^0.5

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Answered by Naman W. • Maths tutor

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z = 5 - 3i Find z^2 in a form of a + bi, where a and b are real constants

How would I answer this question? Use factor theorem to show (x-2) is a factor of f(x) = 2x^3 -7x^2 +4x +4.

Use chain rule and implicit differentiation to find dy/dx for y^3 = 1 + 3*x^2, then show that they are equal

The curve C has equation 4x^2 – y^3 – 4xy + 2^y = 0 The point P with coordinates (–2, 4) lies on C . Find the exact value of dy/dx at the point P .

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