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Question

If the equations 3x2 + ax + 12 = 0 and x2 – 9x + a = 0 both will have real roots (where aN), then the roots of equation x2 + 7xb = 0, where b is equal to the sum of all possible values of a, are

यदि दोनों समीकरणों 3x2 + ax + 12 = 0 व x2 – 9x + a = 0 के वास्तविक मूल हैं (जहाँ aN), तब समीकरण x2 + 7xb = 0 के मूल कौनसे हैं, जहाँ b का मान a के सभी संभावित मानों के योगफल के बराबर है?

A
–11, 5
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B
11, –5
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C
9, –16
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D
–6, –13
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Solution

The correct option is C 9, –16
Solution

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