यदि x2 -y2 = 7 तथा x -y = 1 हो, तो
एक आयत, जिसकी लम्बाई और चौड़ाई
क्रमशः x से० मी० एवं y से० मी० हो, के
विकर्ण की लम्बाई होगी
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x minus y is equal to 1 X Plus y is equal to 7 x is equal to 4 y is equal to 3 that is diagonal is 5
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