PG entrance exam CUET PG 2025 Mock Test Engineering Mathematics Calculus Vector Calculus

The directional derivative of \(\rm \phi(x, y,z)=x^2yz+4xz^2\) at ( 1, -2, 1) in the direction of 2î - ĵ - 2k̂ is 

1
\(-\frac{1}{3}\)
2
\(\frac{2}{3}\)
3
\(-\frac{13}{3}\)
4
\(\frac{13}{3}\)
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters