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Discriminant

Find the valu...

Question

Find the value of $a$ for given quadratic equation by comparing with standard form $(a x^{2} + b x + c)$ .
$x^{2} - 7 x + 4 = 0$

- 7

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4

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1

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0

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Solution

The correct option is B $1$
Compare $a x^{2} + b x + c = 0$ with $x^{2} - 7 x + 4 = 0$

Thus, $a = 1, b = - 7$ and $c = 4$

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