Question

SMQ. Resolve
(x-1) (x + 2)
into partial frac
tions
(AP) Mar 19​

Answer 1

Answer:

Ok good question

Step-by-step explanation:

$\frac{7 + x}{(1 + x)(1 + { x}^{2) } } = \frac{a}{1 + x} + \frac{bx + c}{1 + {x}^{2} } \\ = 7 + x = a \: (1 + {x}^{2} ) + (bx + c) \: (1 + x) \\ 7 + x = a (1 + {x}^{2} ) + b \: x + {x}^{2} + c \: (1 + x) \:$