tentukan KPK dan FPB dari bentuk aljabar berikut: a. 6ab²c dan 8a³b² b. 20pq dan 35p²q c. 9xy²,6xy, dan 12x³y d. 25p²qr²,30pqr²,dan 36p³q²r

a) 6ab^2c = 3 x 2ab^2c
8a^3b^2 = 2^3a^3b^2
FPB = 2ab^2. KPK = 3 x 2^3a^3b^2c
= 27a^3b^2c
b) 20pq = 2^2 x 5pq
35p^2q = 5 x 7p^2q
FPB = 5pq. KPK = 2^2 x 5x7p^2q
= 140p^2q
c) 9xy^2 = 3^2xy^2, 6xy = 3 x 2xy,
12x^3y = 2^2 x 3x^3y
FPB = 3 x 2xy = 6xy
KPK = 3^2 x 2^2 x 3xy^2x^3y
= 72x^4y^3
d) 25p^2qr^2 = 5^2p^2qr^2
30pqr^2 = 2 x 3 x 5pqr^2
36p^3q^2r = 2^2 x 3^2p^3q^2r
FPB = 5 x 2 x 3pqr = 30pqr
KPK = 5^2 x 2^2 x 3^2p^2r^2p^3q^2qr^2
= 900p^5q^3r^4