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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. The set of values of k for which the equation has no real roots, is

प्रश्न - k के मानों का समुच्चय कौनसा है, जिसके लिए समीकरण का कोई वास्तविक मूल नहीं है?

A
(–∞, –4) ∪ (4, ∞)
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B
(–∞, 0)
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C
(0, ∞)
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D
(–4, 4)
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Solution

The correct option is D (–4, 4)
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