CBSE Class 10 Answered
plz answer :
Asked by | 23 Apr, 2009, 08:10: PM
Expert Answer
We know by factor thm that if x- b is a factor of p(x) then p(b)=0
Comparing the given question with this we see that since x=a=x- (-a) is given to be the factor of the given polynomial [let's call it as p(x)] so p(-a) must be zero.
hence,
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Answered by | 24 Apr, 2009, 08:34: AM
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