a) y3 + y12 + 4xy2 y1=0
b) y3 + y12 + xy2 y1=0
c) y3 + 2y12 + xy2 y1=0
d) y2 + 2y12 + 4xy2 y1=0
If y=tan(-1)(x) , then which one is correct ?
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answerhappygod
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If y=tan(-1)(x) , then which one is correct ?
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