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The no. of zeoes that polynomial f(x)= (x-2)^2 +4 can have |
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Answer» -step explanation:GIVEN,f(X)=x 2 −4x−21 =x 2 −7x+3x−21 =x(x−7)+3(x−7) =(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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