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Q:

(a2 – 9) और (a4 – 81) का LCM है।

  • 1
    $$ {(a^{2}-9)(a+3)}$$
  • 2
    $$ {(a^{2}-9)(a^{2}+9)}$$
  • 3
    (a+3)(a- 3)
  • 4
    $$ {(a^{2}-9)(a-3)}$$
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Answer : 2. "$$ {(a^{2}-9)(a^{2}+9)}$$ "

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