6. Are the following matrices inverses of each other? 7 I -1 3 --2 --54 25 6-11 (-3 10 -3), (-1'5 7 e3) -2 8 3 4 --2 1 a. Yes b. No 7. Find the inverse of the following matrix - --18 9 M - ( 6 -3) .. -3 9 . Ml: a (6 -18) -1- "9 b. M -(-6 3) 1 .1. 1 - - 3 c.M1- 1 -i 6 18 ..l -.l -1.- 3 9 d. M - -l --1- 6 18 e. The inverse does not exist 8. Find the inverse of the following matrix. - 8 4 S - (9 3) 3. .1. b S-1 = 295 252 1-56 -5'5 ....3. c 5'1 == 2951 1 -1.. 8 4 (1.5- 1 1 9 8 e. The inverse does not exist