Mathematics, 06.10.2019 10:01 Carrchris021

Which property would be useful in proving that the product of two rational numbers is always rational?
a) a/b + c/d = ad + bc/bd
b) a + b/cd = a/cd + b/cd
c) a/b * c/d = ac/bd
d) a/b ÷ c/d = a/b * d/c

Answers: 2

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Which property would be useful in proving that the product of two rational numbers is always rational? a) a/b + c/d = ad + bc/bd b) a + b/cd = a/cd + b/cd c) a/b * c/d = ac/bd d) a/b ÷ c/d = a/b * d/c

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Another question on Mathematics

Which property would be useful in proving that the product of two rational numbers is always rational?
a) a/b + c/d = ad + bc/bd
b) a + b/cd = a/cd + b/cd
c) a/b * c/d = ac/bd
d) a/b ÷ c/d = a/b * d/c