(3) Reši:
(a) 9y2 - 16 = 0
(b) (d - 3)2 = 3/4
(c) 16x2 + 9 = 34
REŠITEV:
(a) 9y2 = 16
y2 = 16/9
y = 4/3 ali y = -4/3
(b) (d - 3)2 = 3/4
d - 3 = /2 ali d - 3 = -/2
d = 3 + /2 ali d = 3 - /2
(c) 16x2 + 9 = 34
16x2 = 25
x2 = 25/16
x = 5/4 ali x = -5/4