Mathematics · Algebra

यदि 3x − 7y = 10 और xy = −1 है, तो 9x2 + 49y2 का मान ज्ञात कीजिए।

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यदि 3x − 7y = 10 और xy = −1 है, तो 9x2 + 49y2 का मान ज्ञात कीजिए।

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यदि 3x − 7y = 10 और xy = −1 है, तो 9x2 + 49y2 का मान ज्ञात कीजिए।

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