# Conditioning-help [closed]

I have 2 questions at my homework and I need some help :) :

Let $$(X,Y)$$ be a normal vector in R n+m. Find the distributions of the following random vectors, assuming that the covariance matrix of $$(X,Y)$$ is nonsingular.

PROBLEM 3.5. Let $$(X,Y)$$ be a normal vector in R n+m. Find

I would love to help. The exercise is very difficult and I do not know how to solve it. thank you very much :)