1.

What is the minimum angle by which the coordinate axes have to be rotated in anticlockwise sense (in Degrees), such that the function f(x) = 3x3 + 5x + 1016

A.
B. <sup>π</sup>⁄<sub>180</sub> tan<sup>-1</sup>(5)
C. tan<sup>-1</sup>(5)
Answer» D.


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