If y=tan(-1) (x) , then which one is correct ? – McqOptions

MCQOPTIONS

1.	If y=tan^(-1) (x) , then which one is correct ?
A.	y<sub>3</sub> + y<sub>1</sub><sup>2</sup> + 4xy<sub>2</sub> y<sub>1</sub>=0
B.	y<sub>3</sub> + y<sub>1</sub><sup>2</sup> + xy<sub>2</sub> y<sub>1</sub>=0
C.	y<sub>3</sub> + 2y<sub>1</sub><sup>2</sup> + xy<sub>2</sub> y<sub>1</sub>=0
D.	y<sub>2</sub> + 2y<sub>1</sub><sup>2</sup> + 4xy<sub>2</sub> y<sub>1</sub>=0
Answer» E.

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