Question

Untuk nomer 1 saja pr mtk ku

Answer 1

2, 11, 26, 47

itu jawabannya

Answer 2

U1 = 3n²-1
= 3.1² - 1
=3²-1
= 9- 1
=8.

U2 = 3n²-1
= 3.2²-1
= 6²-1
= 36-1
=35.

U3 = 3n²-1
= 3.3²-1
= 9²-1
= 81-1
= 80.

U4 = 3n²-1
= 3.4²-1
= 12²-1
= 144-1
= 143.