jumlah enam suku pertama barisan tersebut adalah....

U1=4.3¹-¹=4.3°=4
U2=4.3²-¹=4.3¹=12
U3=4.3³-¹=4.3²=36
U4=4.3⁴-¹=4.3³=108
U5=4.3^5-¹=4.3⁴=324
U6=4.3^6-¹=4.3^5=1092
jumlah=4+12+36+108+324+1092=1576
insyaallah