​ यदि x = (√5 + √2)/(√5 - √2) तब 3x^2 + 4xy-3y^2 का मान ज्ञात कीजिए। ​

Question

यदि x = \(\frac{\sqrt{5}+\sqrt{2}}{\sqrt{5}-\sqrt{2}},\,y = \frac{\sqrt{5}-\sqrt{2}}{\sqrt{5}+\sqrt{2}}\) तब 3x² + 4xy-3y² का मान ज्ञात कीजिए।

Answer 1

\(\frac{\sqrt{5}+\sqrt{2}}{\sqrt{5}-\sqrt{2}},\,y = \frac{\sqrt{5}-\sqrt{2}}{\sqrt{5}+\sqrt{2}}\)