Changes
From Karnataka Open Educational Resources
93 bytes added
, 06:53, 15 February 2014
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| =hints for difficult problem= | | =hints for difficult problem= |
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| + | If x-= 4 prove that <math>x^{3}+6x^{2}+\frac {6} {x^{2}}-\frac{1} {x^{3}}=184 </math> |
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| =====If x+y=a and xy=b then prove that (1+)+(1+) = | | =====If x+y=a and xy=b then prove that (1+)+(1+) = |