MCQ
$\left(a^{2}+5\right)\left(a^{2}-5\right)=........$
  • A
    $a^{2}-25$
  • B
    $a^{2}+25$
  • $a^{4}-25$
  • D
    $a^{4}+25$

Answer

Correct option: C.
$a^{4}-25$

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