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Factorization — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSFactorization1 Mark
MCQ
The factors of $m^2 - 256$ are:
  • A
    $(m + 4)^2$
  • B
    $(m - 4)^2$
  • C
    $(m - 4) (m + 4)$
  • ✓
    None of the above.
✓

Answer

Correct option: D.
None of the above.
D.  None of the above.
Solution:
$m^2 = (m)^2$ and $256 = (16)^2$
By using the algebraic identity,
$a^2 - b^2 = (a + b) (a - b),$
we get $(m + 16) (m - 16).$

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