For any two vectors `vecA` and `vecB`, if `vecA.vecB= |vecA xx vecB|`, the magnitude of `vecC=vecA+vecB` is equal to-

Options

A. `sqrt(A^2+B^2)`
B. `A+B`
C. `sqrt(A^2+B^2 +(AB)/sqrt2)`
D. `sqrt(A^2+B^2 +sqrt2 AB)`