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Question

If the given pair of linear equations

4x + 5y = 2, (pq)x + (p + q)y = p + q – 2 represent infinitely many solutions and λp2qλ=pq, where λ ≠ 0, then the sum of all possible values of λ is

यदि दिया गया रैखिक समीकरणों का निकाय

4x + 5y = 2, (pq)x + (p + q)y = p + q – 2 अपरिमित रूप से अनेक हलों को दर्शाता है तथा λp2qλ=pq, जहाँ λ ≠ 0, तब λ के सभी संभावित मानों का योगफल है

A
13
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B
13
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C
1
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D
–1
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Solution

The correct option is A 13
Solution

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