what is the meaning of commutative and distributive in rational numbers

Asked by ajayrath7 | 22nd Mar, 2017, 07:32: PM

Expert Answer:

begin mathsize 16px style If space straight p space and space straight q space are space two space rational space numbers comma space then space they space are space commutative space under space addition space which space means
straight p plus straight q space equals space straight q plus straight p
If space straight p space and space straight q space are space two space rational space numbers comma space then space they space are space commutative space under space multiplication space which space means
straight p cross times straight q space equals space straight q cross times straight p

Distributivity space means colon
For space the space rational space numbers comma space straight p comma space straight q space and space straight r comma
straight p cross times left parenthesis straight q plus straight r right parenthesis equals space straight p cross times straight q plus straight p cross times straight r end style

Answered by Rebecca Fernandes | 22nd Mar, 2017, 08:10: PM