Engineering Mathematics – I
Unit 3Partial Differentiationa) If 
then find the value of 
.b) If 
then show thati) 
ii) 
c) If 
, 
then show that,i) 
ii) 
d) If z = f(x, y), where 
and 
, show that
e) If z = f(x, y), u cos hv; y = u sin hv, prove that
f) If 
then prove that
.g) If 
then show that
h) If 
then find the value of
at point (1, 2).i) If 
Then find the value of
j) If 
then prove that
then find the value of .b) If then show thati) ii) c) If , then show that,i) ii) d) If z = f(x, y), where and , show thate) If z = f(x, y), u cos hv; y = u sin hv, prove thatf) If then prove that.g) If then show thath) If then find the value ofat point (1, 2).i) If Then find the value ofj) If then prove that
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