SHOW THE SOLUTION AND THE ANSWER WAS ALREADY GIVEN Exercise4. Find 3 or _1" by implicit differentiation (it , , a 4.1' 1, 43" +9)" 2 36 Answer: _ 91' (3x: 4x) .3_,.:_,4_, .; . 2. .\\ _.1 _1 .1 +. Answer. 3 4y ~l 3 _ , 1 3 . (12x2 40.133) 3. 4x 3.\\"_1"+4_1' =J_1' Answer: .3 .3 _ n . 4, .1 _'| 3.1] Answer: 5, 13': +2J'3 +3.1]': 11'2 +J'3 +.a_1'3 Answer: 2.13- + 3y: + 3x 6y