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If f(x) = x^2 - 3x + 2, find f'(x) and f''(x)

f'(x) is the first derivative of f(x) therefore f'(x) = 2x - 3 To find f''(x) simply take the derivative of f'(x), therefore f''(x) = 2
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Answered by Peter O. • Maths tutor
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Differentiate e^2x

=2e^2x Rule: f(x)= e^kx f'(x)= ke^kx
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Answered by Tesni F. • Maths tutor
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What are radians and what are they used for?

Radians are a unit of measurement. They work in the same way that we use ounces to measure mass or metres to measure length. Radians are however used to measure angles, the more common unit of measuring angl...
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Answered by Linfan S. • Maths tutor
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Given that y = ((4x+3)^5)(sin2x), find dy/dx

First of all, we have to use the product rule, since two things are multiplied together. The product rule states that d/dx (u*v) = vu' + uv' Let u = (4x+3) 5 v = sin(2x) Now, to find u' and v' we have to fin...
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Answered by Juozas N. • Maths tutor
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Solving Quadratic Equations

x^2+5x+6=0 When solving quadratic equations our goal is to revert back into the form (x+a)(x+b) from the form ax^2+bx+c Thus we need to have a method when completing this: A good method in this case is that ...
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Answered by Anoop N. • Maths tutor
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