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नीचे दिए गए प्रश्न के लिए अनुच्छेद

Given α and β are roots of quadratic equation x2 + x + 1 = 0, (xR). Choose the correct answer.

दिया है α तथा β, द्विघात समीकरण x2 + x + 1 = 0, (xR) के मूल हैं। सही उत्तर का चयन कीजिए।

The equation whose roots are 2α and 2β is

वह समीकरण कौनसी है जिसके मूल 2α तथा 2β है?

A
4x2 + 2x + 1 = 0
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B
x2 + 2x + 4 = 0
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C
x2 + x + 4 = 0
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D
4x2 + x + 1 = 0
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Solution

The correct option is B x2 + 2x + 4 = 0

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