1.

निम्न के मान ज्ञात कीजिए\((\sqrt{5}-\sqrt{2})(\sqrt{5}+\sqrt{2})\)

Answer»

 \((\sqrt{5}-\sqrt{2})(\sqrt{5}+\sqrt{2})\)

 = (√5)2 - (√2)2

 = 5 - 2 = 3



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