tolonggggg donggg bantuuuuu

Un = ar^n-1
U2 = ar^2-1
6 = ar

U4 = ar^4-1
24 = ar³
24 = ar . r²
24 = 6 . r²
4 = r²
2 = r

U2 = ar
6 = a.2
3 = a

U10 = ar^10-1 = ar^9 = 3 . 2^9 = 3 . 512 = 1.536