tolong kaka jawabannya no4,5,6,

4). √150 : √3
=√50
=√25.2
=5√2

5).4,7,10
Un = a+(n-1)b
U10 = 4+(10-1)3
U10 = 4 +(9)3
U10 = 4 +27
U10 = 31

6).4,7,18,13,16
Un = a + (n-1)b
U33 = 4 + (33-1)3
U33 = 4 + (32)3
U33 =4 +96
U33 =100