na zinoitomu Find div ƒ where f = "F. Find n if it is solenoidal ? (or) Prove that r" is solenoidal if n=-3. Juo volt biufte ufeyriq s ni 1211 noqu grib (or) Prove that div (r") = (n+3) r". Hence show that /r³ is solenoidal. Wo