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Mathematics, 14.06.2021 03:30 Bigbabybrudis

I WILL GIVE BRAINLIST <3 1.) Is the set of rational expressions closed under subtraction? Explain
p(x)/q(x) - r(x)/s(x) =

2.Is the set of rational expressions closed under multiplication ? Explain
(p(x)/q(x)) • (r(x)/s(x)) =

3. Is the set of rational expressions closed under division? Explain
p(x)/q(x) ÷ r(x)/s(x) =

THANK U SM <3

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