Question

Multiplying and Dividing Rational Expressions:

4x^2 15xy
----- * -----
5y^2 24x^2y^2

Answer 1

Multiply both numerators and denominators, also, an easy way is to cancel them out before multiplying.
\(\Large \color{MidnightBlue}{\Rightarrow {a \over b} .{x \over y} = {ax \over by} }\)

Answer 2

5a^2+20a a^2-a-12
--------- * ----------
a^3-2a^2 a^2-16

Answer 3

-14xy^4 24x^2y^3
-------- * ---------
18y^2 35y^2

Answer 4

7a^2b 3a^4
------ / ------
9ab^3 2a^2b^2

Answer 5

16x^2y 9xy
------- / -----
24xy^3 8x^2y^2

Answer 6

One at a time lolz

Answer 7

lol sorry i just wanted em all on here at once =P

Answer 8

\(\Large \color{MidnightBlue}{\Rightarrow {a \over b} \div {x \over y} = {a \over b} * {y \over x} }\)

Answer 9

so for the 1st one would it be

96x^5y^3
--------
75xy^3

??????