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If x^(2) + 9y^(2)= 1, then minimum and maximum value of 3x^(2) - 27y^(2) + 24xy respectively |
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Answer» `0, 5` `Z = 3cos^(2)theta - 27(1)/(9) sin^(2)theta + 8 sinthetacostheta` `= 3 COS2THETA+ 4sin2theta rArr -5 le Z le 5` |
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