1.

निम्न के मान ज्ञात कीजिए\((3+2 \sqrt{2})(3-2 \sqrt{2})\)

Answer»

\((3+2 \sqrt{2})(3-2 \sqrt{2})\)

\((3)^2-(2\sqrt2)^2\)

 = 9 - 8 = 1



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