જો $x^{2}-8x-20=(x+a)(x+b)$ હોય,તો $ab=\ldots \ldots \ldots$

  • A
    $-8$
  • B
    $-20$
  • C
    $8$
  • D
    $20$

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નીચેની બહુપદીમાં $x^{2}$ નો સહગુણક લખો:
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નીચેની પદાવલિના અવયવ પાડો: $x^{3} - 125y^{3} - 15x^{2}y + 75xy^{2}$

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ઘન શોધ્યા વગર,$(x-2 y)^{3}+(2 y-3 z)^{3}+(3 z-x)^{3}$ ના અવયવ પાડો.

Difficult
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અવયવ પાડો:
$2 \sqrt{2} a^{3} + 8 b^{3} - 27 c^{3} + 18 \sqrt{2} a b c$

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