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Discriminant

Find the valu...

Question

Find the value of $a$ for following quadratic equation by comparing with standard form $(a x^{2} + b x + c)$
$x^{2} + 2 x + 1 = 0$

1

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Solution

The correct option is B $1$
Compare $a x^{2} + b x + c = 0$ with $x^{2} + 2 x + 1 = 0$
Thus, $a = 1, b = 2$ and $c = 1$

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