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Question

Find the zeroes of the polynomial x23 and verify the relationship between the zeroes and the coefficients.

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Solution

Given polynomial is x23
Here, a=1,b=0 and c=3

x23=(x3)(x3)

So, the value of x23 is zero when x=3 or x=3

Threrfore , thr zeroes of x23 are 3 and 3.

Now, sum of zeroes =33=0=01=ba

product of zeroes =(3)(3)=3=31=ca

Hence verified.

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