જો $|x| < \frac{1}{2}$ હોય,અને $\frac{2 x^3+8 x^2-2 x-2}{(1-x)(1+x)(1-2 x)}$ ના $x$ ની ઘાતમાં વિસ્તરણમાં $x^{10}$ નો સહગુણક અને અચળ પદ અનુક્રમે $l$ અને $m$ હોય,તો $lm=$

  • A
    $6(1+2^9)$
  • B
    $4(1+2^9)$
  • C
    $6(1+2^{10})$
  • D
    $4(1+2^{10})$

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જો બહુપદી $3x^5-6x^4+2x^3+4x^2-5x+8$ ને $x^2-2x+3$ વડે ભાગતા મળતું ભાગફળ અને શેષ અનુક્રમે $ax^3+bx^2+cx+d$ અને $px+q$ હોય,તો $ab+cd=$

જો $\frac{x+1}{x^3(x-1)} = \frac{a}{x} + \frac{b}{x^2} + \frac{c}{x^3} + \frac{d}{x-1}$ હોય, તો:

જો $\frac{1}{x(x + 1)(x + 2)...(x + n)} = \frac{A_0}{x} + \frac{A_1}{x + 1} + \frac{A_2}{x + 2} + .... + \frac{A_n}{x + n}$ હોય,તો $A_r = $

જો $\frac{x^3}{(2x - 1)(x + 2)(x - 3)} = p + \frac{q}{2x - 1} + \frac{r}{x + 2} + \frac{s}{x - 3}$ હોય,તો:

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જો $\frac{3x-2}{(x+1)^2(x+3)}=\frac{A}{x+1}+\frac{B}{(x+1)^2}+\frac{C}{x+3}$ હોય,તો $A+B+C=$

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