doubt (Question: 275703.0 )

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jyoti dahiya

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· 1 Months ago

doubt (Question: 275703.0 )

alpha + beta = 4 how???

Question:

If $α$ and $β$ be the roots of equation ax² + bx + c = 0 where a $\neq$ 0. If a, b, c are in AP and $\frac{1}{α} + \frac{1}{β} = 4$ , then find the ( $α$ – $β$ ).

Options:

$\pm [\frac{2 \sqrt{13}}{9}]$

$\pm [\frac{3 \sqrt{13}}{9}]$

$\pm [\frac{4 \sqrt{13}}{9}]$

$\pm [\frac{6 \sqrt{13}}{9}]$

Solution:

Ans: (a)

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doubt (Question: 275703.0 )

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