Question

evalute
$4 - \sqrt{5 \div 4 + \sqrt{5 + 4 + \sqrt{5 + 4 - \sqrt{5} }$


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Answer 1

Step-by-step explanation:

Problem

Let X,Y and Z be three jointly continuous random variables with joint PDF

fXYZ(x,y,z)={

1

3

(x+2y+3z) 0≤x,y,z≤1 0 otherwise

Find the joint PDF of X and Y, fXY(x,y).