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Partial fractions are just another technique to simplify expressions to make them easier to manipulate in more complex questions. This is a low mark questions, testing your skills at using partial frac...
First you need to find the vector AB. This is equal to -OA+OB.
OA and OB are equal to the position vectors of A and B respectively so
-OA+OB= -2i - 6j + k + 3i + 4j + k = ...
This type of equation involves a modulus, this the component enclosed in the straight lines, |2x+1|. A modulus takes the absolute value of its contents, this means that regardless of the input...
As the expression contains 4 separate terms that are added together, we can treat this as 4 separate differentiations. The general rule for differentiation for a general term bx^n is (bn)x(n-1...
y = 6x2 + 8x + 2
To find the first derivative of this equation, we must multiply the powers of x with the coefficient. Therefore, we do 2 times 6 (2 is the power and 6 is the ...
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