What is the Value of Q ?

If  ( x – 2 ) is a factor  of X2 + 3Q X– 2Q, then the value of Q is

  1. 2
  2.  -2
  3. 1
  4. -1
Manish Listener Asked on 15th June 2015 in Maths.
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1 Answer(s)

Answer: (4) -1
Explanation:-
X – 2 or X = 2
X2 + 3QX – 2Q
Put the value of X in the given equation,
22 + 3Q x 2 – 2Q = 0
4 + 6Q – 2Q = 0
4Q = -4
Q = -1

Hence, the answer is (4) -1

Anurag Mishra Professor Answered on 17th June 2015.
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