"(i) decompose the following expression into partial fractions and (ii) check your answer by multiplying them out 6x + 7/ 3x (x +1)
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Originally Posted by porge111 "(i) decompose the following expression into partial fractions and (ii) check your answer by multiplying them out 6x + 7/ 3x (x +1) which, after algebraic manipulation, is equal to Use subsitution to find the values of A and B (-1 and 0 would be a good start)
Originally Posted by e^(i*pi) which, after algebraic manipulation, is equal to Use subsitution to find the values of A and B (-1 and 0 would be a good start) Or...you could multiply everything through, group the x terms and the constant terms: For the two sides to be equal, the coefficients of the two polynomials must be equal. So you "equate the coefficients": and B is easy to find after that.
Originally Posted by e^(i*pi) which, after algebraic manipulation, is equal to Use subsitution to find the values of A and B (-1 and 0 would be a good start) There's a formula way to solving as well (since the RHS denominators are linear).
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