A) \[x=1\]is a root of \[2{{x}^{2}}+3x+1=0\].
B) \[x=2\]is not a root of\[6{{x}^{2}}+7x-5=0\].
C) \[x=-1\]is a root of \[3{{x}^{2}}-x-1=0\].
D) \[x=-\frac{2}{5}\]is not a root of \[5{{x}^{2}}-8x-4=0\].
Correct Answer: B
Solution :
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