tolong jawab pakai cara ya kak,thx

1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1

Sehingga (a+b)6 = a6 + pa5b +qa4b2 + ra3b3 + sa2b4 + tab5 +b6 = 1a6 + 6a5b +15a4b2 + 20a3b3 + 15a2b4 + 6ab5 + 1b6
Sehingga
5p+7q = 5(6) + 7(15) = 30 + 105 = 135