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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 = 1/3x = 2 2 = B(3)B = 2/3 therefore.... 2x/[(x+1)(2x-4)] ...

Answered by Lukas A. Maths tutor
3823 Views

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 radius2* π). You divide your angle by 360 (or by 2π). You multiply the 2 answers and you find the area of the sector.

Answered by Jessica P. Maths tutor
2945 Views

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 ar...

Answered by Jessica P. Maths tutor
7188 Views

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. ...

Answered by Marie B. Maths tutor
2152 Views

Trigonometry Example.

SOH, CAH, TOA explained using an example. 

Answered by Dorsa N. Maths tutor
2895 Views

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