Let \[f(x)={{x}^{2}}-1,0 – McqOptions

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1.	Let \[f(x)={{x}^{2}}-1,0
A.	\[{{x}^{2}}-6x+9=0\]
B.	\[{{x}^{2}}-10x+21=0\]
C.	\[{{x}^{2}}-14x+49=0\]
D.	None of these
Answer» C. \[{{x}^{2}}-14x+49=0\]

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