The Divergence And Curl Of A Vector Lecture by Megha Sharma.

suppose f(x,y,z)=f1i^ +f2j^ +f3 k^are continuously differentiable vector point function of the co-ordinate x,y,z then div f can be define as- i^ . ∂f/∂x +j^.(∂ f)/∂y+ k^.∂f/∂z and curlf = i^ …

Types of interval Lecture by Megha Sharma.

Interval notation is a way of writing subsets of the real number line. A closed interval is one that includes its endpoints: for example, the set {x | –3 x 1} …