Tolongin yah harus di kumpulin besok

Tolongin yah harus di kumpulin besok

$frac{u6}{u1} = frac{a {r}^{5} }{a} \ frac{96}{3} = {r}^{5} \ {r}^{5} = 32 \ r = 2 \ s6 = frac{a( {r}^{6} - 1)}{r - 1} = frac{3( {2}^{6} - 1)}{2 - 1} \ = 3 times 63 = 189$
panjang tali semula 189 cm