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Integrate 2x/[(x+1)(2x-4)

2x/[(x+1)(2x-4)] = [A/(x+1) + B/(2x-4)]x = A(x-2) + B(x+1) x = -1 -1 = A(-3)A = 1/3 x = 2 2 = B(3)B = 2/3 therefore.... 2x/[(x+1)(2x-4)] = [(1/3)/(x+1) + (2/3)/(x-2)]Using the identification method of integr...
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Answered by Lukas A. • Maths tutor
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How do you find the area of a sector of a circle if you know the radius and the angle in the centre?

You find the area of the circle (using radius 2 * π). You divide your angle by 360 (or by 2π). You multiply the 2 answers and you find the area of the sector.
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Answered by Jessica P. • Maths tutor
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How to solve a quadratic equation without a calculator?

You factorise it. First, you find a common factor between a, b and c. Then, you find the 2 numbers that multiplied give you c and added give you b. If a=1, then the additive inverse of those 2 numbers are th...
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Answered by Jessica P. • Maths tutor
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How do I draw the graph of a function that is unfamiliar to me?

It is always important to be familiar with a variety of standard functions and their graphical representation, such as sine and cosine curves, as well as exponential, quadratic and other such functions. Howe...
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Answered by Marie B. • Maths tutor
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Trigonometry Example.

SOH, CAH, TOA explained using an example.
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Answered by Dorsa N. • Maths tutor
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