CBSE Class 9 Answered
Urgent plzzz..
Asked by 2806rahul | 16 Feb, 2010, 10:13: PM
Expert Answer
For x = 3
P(3) = 2(3)3 - (3)2 - 13x3 - 6 = 54 - 9 - 39 - 6 = 0
(x-3) is a root.
Dividing P(x) by (x-3) we obtain, 2x2+5x+2
and the roots of the quadratic equation are,
x = {-5±
(25-16)}/4 = -1/2 or -2.
Hence the factors are (x-3)(x+1/2)(x+2)
Regards,
Team,
TopperLearning.
Answered by | 17 Feb, 2010, 06:07: AM
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