In Exercises 13- 24. find the eigenvalues of each matrix a/UI determine a basis for each eigenspace. 15. [~~ -4] 11

L21 - 6 ex. Aditbedofitbyugi through an inverted cone-shaped ﬁlter. The height of the cone is 20 inches and the diameter across the top is 16 inches. If the liquid is ﬂowing out at 2 cubic in/min, how fast is the depth of the liquid changing when it is 12 inches deep