- Pcosø prove that dw xy is Cont s Lony) - the fun ction (-1, 2) = x*y+z and x = PSinf cse y=pSi- - PCose prove that

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I need answer within 20 minutes please please with my best wishes
Q 31s the fun ction fay)-
at (-1, 2)
is Continuous
B)JE w = x*y+z' and x= PSin gø cose ,y=pSinø Sine
and z - Pcosp prove that
-2P Cs24 and dw
%3D
=0
Transcribed Image Text:Q 31s the fun ction fay)- at (-1, 2) is Continuous B)JE w = x*y+z' and x= PSin gø cose ,y=pSinø Sine and z - Pcosp prove that -2P Cs24 and dw %3D =0
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