30 points
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Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Mathematics (MA)
Please send the solution to the problem given in the attachment.
please send the solution to the problem given in the attachment.
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Deepak singh 1 Best Answer
Refer attachment option d is correct
Thank you Deepak sir, keep on educating us.
?
here r is vector function , here ∆r is divergence of r not gradient of r
Deepak sir, we don't know the scalar function phi it could be a composition of x,y, & z so the partial derivatives may not be zero right?? but you set them zero I couldn't digest that, please simplify.
wait
see, I have calculate for i cap ,
similarly j and k cap will become 0
feel free to ask again
Thank you, Deepak sir for clearing my doubt.