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(d) 33. Which of the following is a valid solution of the differential equation+=0?2²4 2²4ax² dy?(a) x2 - y2(c) x2 + y2(b) ax2 - by2(d) x4 + y4 |
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Answer» spfujeodifjjxjciivjfifofovovkfodlckcckkffk |
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