Solve for x in the equation: arc tan (x + 1) + arc tan (x – 1) = – McqOptions

MCQOPTIONS

1.	Solve for x in the equation: arc tan (x + 1) + arc tan (x – 1) = arc tan (12)
A.	1.20
B.	1.25
C.	1.34
D.	1.5
Answer» D. 1.5

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