permisi, ada yg bisa kerjain soal nomor 1-3? soal integral tp menggunakan rumus yg u dan du

1. int (2x + 6)^5 dx
= 1/2(2x + 6)^5
= 1/2.6(2x + 6)^6
= 1/12(2x + 6)^6 + c

2. int (√4x-1) dx
int (4x-1)^1/2 dx
= 1/4(4x-1)^3/2
= 1/4.3/2(4x-1)^3/2
= 1/6(4x-1)^3/2 + c
= 1/6x√4x-1 + c