u2=34,u5=52,u7=? please tolongin

Un = an + b

52 = 5a + b
34 = 2a + b —
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18 = 3a
6 = a

*34 = 6.2 + b
34 = 12 + b
b = 34 - 12
b = 22

Rumus : Un = 6n + 22

U7 = 6.7 + 22
U7 = 42 + 22
U7 = 64


Maaf jika ada kesalahan, semoga membantu ^^

u7=64 semoga membantuuu yaa