Verify the reloho ship between the zeros andCoefficients of the polynomials x² +4x-12.
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Answered by
0
Step-by-step explanation:
the zeroes are+2 and -6
sum of zeroes=-4
now sum of zeroes=-b/a=-4
hence verified
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Answered by
4
Given,f(x)=x^2−4x−21
=x^2=(x−7)(x+3)
The zero of f(x) can be obtained by setting f(x)=0
⇒(x−7)(x+3)=0
⇒x=−3,7
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