Two concentric circles have radii of 1.2m and 2.8m. the central angle is 60grad. find the area of the portion of the sector of the larger circle, which is outside the circle. The final answer must be 3.35m2
If (an)infinityn=1 is a sequence of real numbers satisfying an+12 =2an-1, then,
limn->infinity an = ?
If u be a borel measure on a metric space X and suppose there exists a sequence Gn of open sets, X=UnGn and for all n , u(Gn) < Infinity then u is regular.
Prove that the set of complex numbers is field.