Question

find surface area of the region common to the intersecting cylinder x^2+y^2=a^2,x^2+z^2=a^2​

Answer 1

Answer:

Step-by-step explanation:

My attempt: Let surface area = S and n^=∇(x2+y2)=1a(xi^+yj^)

S=∫∫ds=∫∫dydz/n^⋅i^

=∫∫a/xdydz

=∫∫a/√a2−y2 dydz