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| 1. |
If u = sqrt ( a ^(2) cos ^(2) theta + b ^(2) sin ^(2) theta ) + sqrt (a ^(2) sin ^(2) theta + b ^(2) cos ^(2) theta ,) then the difference between the maximumand minimum value so u ^(2) is given by |
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Answer» `2 (a ^(2) +B ^(2))` |
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