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Elena L [17]
3 years ago
9

Ali is hiking on the hill, whose height is given by f(u,v)=n^2 e^((u+n)/(v+n)). Currently, he is positioned at point (3, 5). Fin

d the direction at which he moves down the hills quickly. Take n =12
Mathematics
1 answer:
gladu [14]3 years ago
4 0

Answer:

Step-by-step explanation:

We are given that

f(u,v)=n^2e^{\frac{u+n}{v+n}}

Point=(3,5)

n=12

We have to find the direction at which he moves down the hills quickly.

f(u,v)=144e^{\frac{u+12}{v+12}}

f_u(u,v)=144e^{\frac{u+12}{v+12}}

f_u(3,5)=144e^{\frac{3+12}{5+12}}

f_u(3,5)=144e^{\frac{15}{17}}=144e^{0.88}

f_v(u,v)=144e^{\frac{u+12}{v+12}}\times (-\frac{u+12}{(v+12)^2})

f_v(3,5)=144e^{\frac{15}{17}}(-\frac{15}{(17)^2}

f_v(3,5)=-\frac{2160}{289}e^{\frac{15}{17}}=-7.47e^{0.88}

\Delta f(3,5)=

\Delta f(3,5)=

The direction at which he moves down the hills quickly=-\Delta f(3,5)

The direction at which he moves down the hills quickly=

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