If 3x-x-ax-b- 2-x-a-1-x-b then a-b-

The correct option is D 2:1 LHS=3x(x a)(x b); #160; RHS=2x a+1x b=2(x b)+(x a)(x a)(x b) LHS=RHS 3X=2(x b)+(x a) #160; –1) let x= ...

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Definition of Functions

If 3x/x-ax-...

Question

If $\frac{3 x}{(x - a) (x - b)} = \frac{2}{x - a} + \frac{1}{x - b}$ then $a : b =$

1 : 2

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- 2 : 1

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1 : 3

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3 : 1

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∣ ∣ ∣ ∣ ∣ \begin{matrix} x^{2} + x & x + 1 & x - 2 2 x^{2} + 3 x - 1 & 3 x & 3 x - 3 x^{2} + 2 x + 3 & 2 x - 1 & 2 x - 1 \end{matrix} ∣ ∣ ∣ ∣ ∣

∣ ∣ ∣ ∣ ∣ \begin{matrix} x^{2} + x & x + 1 & x + 2 x^{2} + 3 x - 1 & 3 x & 3 x - 3 x^{2} + 2 x + 3 & 2 x - 1 & 2 x - 1 \end{matrix} ∣ ∣ ∣ ∣ ∣ = A x + B

A

B

3

A + 2 B

\frac{x^{4} - 3 x + 3}{(x - 1)^{3}} = A x + B + \frac{C}{x - 1} + \frac{D}{(x - 1)^{2}} + \frac{E}{(x - 1)^{3}}

x^{3} - 3 x^{2} + 3 x - 7 = (x + 1) (a x^{2} + b x + c)

a + b + c

∣ ∣ ∣ ∣ ∣ \begin{matrix} x^{2} + x & x + 1 & x - 2 2 x^{2} + 3 x - 1 & 3 x & 3 x - 3 x^{2} + 2 x + 3 & 2 x - 1 & 2 x - 1 \end{matrix} ∣ ∣ ∣ ∣ ∣ = A x - 12

A

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