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Govind3793
21.10.2020 •
Mathematics
Let S be the statement: The product of any irrational number and any nonzero rational number is irrational. (a) Write a negation for S. (b) Prove S by contradiction.
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Ответ:
Negation: The product of any irrational number and any nonzero rational number is not irrational.
Step-by-step explanation:
(a)
Given statement: The product of any irrational number and any nonzero rational number is irrational.
Negation: The product of any irrational number and any nonzero rational number is not irrational.
(b)
Let if possible the product of any irrational number and any nonzero rational number is not irrational that is rational.
Let
be an irrational number and
be a rational number.
So,
As quotient of two rational numbers is also rational,
must be rational which is a contradiction to the fact that
is irrational.
Ответ:
Yes it is
Step-by-step explanation:
when you add up all parts of a triangle they are equal to 180