Page 11 - Bentuk Aljabar_Hamida_1951500036_4B_Media dan Workshop-compressed_compressed_Neat

2
2 2
1. 3p qr dan 20pq r
Pembahasan:
2
2
3p xr = 3 x p x q x r
2
2 2
2
2
20pq r = 2 x p x q x r
2
2
2
2
KPK = 3 x 2 x p x q x r
2 2 2
= 12 p q r
FPB = 3pqr

2 3 2
2
2. a b c dan 7abc
Pembahasan:
3
2
2 3 2
2
a b c = a x b x c
3
3
7abc = 7 x a x b x c
3
2
3
KPK = 7 x a x b x c
2 3 3
= 7a b c
FPB = a x b x c
= abc

11 | B e n t u k A l j a b a r