Write first and second partial derivativesg(r,t)=t lnr+11rt^7-5(8^r)-tra)g_rb)g_(rr)c)g_(rt)d)g_te)g_(tt)

glasskerfu 2021-03-01 Answered

Write first and second partial derivatives
g(r,t)=tlnr+11rt75(8r)tr
a)gr
b)grr
c)grt
d)gt
e)gt

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pivonie8
Answered 2021-03-02 Author has 91 answers
a) gr=gr=r[tlnr+11rt75(8r)tr]
gr=tr+11t74(8r)ln(8)t
b) grr=r=[tr+11t74(8r)ln(8)t]
grr=tr2+04(8r)(ln(8)20
grr=tr24(8r)(ln(8)2
c) grt=t=[tr+11t74(8r)ln(8)t]
grt=1r+117t601
grt=1r+77t61
d) gt=t[tln(r)+11rt74(8r)tr]
gt=ln(r)+11r7t60r
gt=ln(r)+77rt6r
e) gtt=t[ln(r)+77rt6r]
g=0+77r6t50
g=462rt5
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