CBSE Class 9 Answered
Find the zero of the polynomial in both of the following cases :
Asked by shrey17 | 05 Apr, 2009, 04:11: PM
Expert Answer
1) p(x)=0 implies ax=0
but a is non zero , so x=0
So, the value of x=0 takes p(x) =0 so x=0 is the zero of p(x)
2) simly,
p(x)=0 implies cx+d=0
So we get
x=-d/c..(c is non zero, so division by c is possible)
So the value of x=-d/c takes p(x) in this case equal to zero.
So, x=-d/c is the zero of p(x)
Answered by | 05 Apr, 2009, 04:28: PM
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