The H.C.F. of \(a^2+bx + ab^2x\) and \(a^2b - b^2\) is

  • A b
  • B a + b
  • C b(a \(\div\) b)
  • D abx(\(a^2 - b^2\))
jamb 1990mathematics

The correct answer is B. a + b

a

bx + ab

x; a

b - b

abx(a + b); b(a

- b

)

b(a + b)(a + b)

∴ H.C.F. = (a + b)

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