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नीचे दिए गए प्रश्न के लिए अनुच्छेद

For a quadratic equation x2 + kx + 4 = 0; (kR). Choose the correct answers.

द्विघात समीकरण x2 + kx + 4 = 0; (kR) के लिए, सही उत्तर का चयन कीजिए।

Q. A value of k for which the given equation has equal roots, is

प्रश्न - k के किस मान के लिए दी गयी समीकरण के मूल समान हैं?

A
Zero

शून्य
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B
4
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C
2
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D
–2
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Solution

The correct option is B 4
Solution

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