Question

solve the partial fraction and find A=


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Answer 1

Answer:

A=3

Step-by-step explanation:

Ax-1/(1-x+x^2)(x+2)=(x/1-x+x^2)-(1/x+2)

Ax-1/(1-x+x^2)(x+2)=x(x+2)-1(1-x+x^2)/(1-x+x^2)(x+2)

Ax-1=x(x+2)-1(1-x+x^2)

Ax-1=x^2+2x-1+x-x^2

Ax-1=3x-1

Ax=3x

A=3