Practice Sets & Number System - CSIR-UGC NET Offered by Unacademy

SELF STUDY

Browse Practice Tests Playlist Doubts & solutions Free live classes Other courses

Sets & Number System

Quick practice

Question 1 of 5

The directional directive of $g(x, y)=x^{2} y+2 x y+40$ in the direction at point is equal to:

A

$3\left(b+a^{2}\right)$

B

$2\left(a b+a^{2}+b+2 a\right)$

C

$12 a^{2} b$

D