CBSE Class 9 Answered
pls. answer
Asked by raghavendran7 | 27 Mar, 2010, 12:47: PM
Expert Answer
x2 - 1 is a factor of the given polynomial,
then, x2 = 1
x = 1 and x = -1
Put x = 1, in the polynomial,
1+a-3+2+b = 0
a+b = 0 .... (1)
Put x = -1, in the polynomial,
1-a-3-2+b = 0
b-a = 4 ....(2)
Solving (1) and (2),
a = -2, b = 2.
regards,
Team,
TopperLearning.
Answered by | 28 Mar, 2010, 06:54: AM
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