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Q:

If (x + k ) is the common factor of x2 + ax + b and x2 + cx + d , then what is k equal to ?

  • 1
    $$ {(d-b)\over {(c-a)}}$$
  • 2
    $$ {(d-b)\over {(a-c)}}$$
  • 3
    $$ {(d+b)\over {(c+a)}}$$
  • 4
    $$ {(d-b)\over {(c+a)}}$$
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Answer : 1. "$$ {(d-b)\over {(c-a)}}$$"

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Maths HCF and LCM Aptitude Questions

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