0 and we know that 0 can be put in the form of
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"The sum of two rational numbers is irrational."
2. I know this statement is true (if I am correct) but how to prove it's true?
"The sum of two irrational numbers is irrational"
I used the example 2–√+3–√=3.142+3=3.14
But i may need to use proof by contradiction or contaposition.
=15 which is a rational number
square both sides
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"The sum of two irrational numbers is SOMETIMES irrational."
The sum of two irrational numbers, in some cases, will be irrational. However, if the irrational parts of the numbers have a zero sum (cancel each other out), the sum will be rational
only one question at a time please
for example the number is
Two irrational numbers whose (i) sum is rational are 10 + 2√5 and 5 - 2√5 Checking: Sum of these two irrational numbers = 10 + 2√5 and 5 - 2√5 = 15 (a rational number) (ii) product is rational are 10 + 2√5 and 10 - 2√5 Checking: Product of these two irrational numbers = (10 + 2√5) (10 - 2√5) = (10)2 - (2√5)2 = 100 - 20 = 80 (a rational number) (iii) quotient is rational are 10√5 and 5√5 Checking: Quotient of these two irrational numbers = (10√5)/(5√5) = 2 (a rational number)
cost of cow=2800
cost of both=8400+2800=11200
selling price of horse=8400×5/100=420
selling price of cow=2800×20/100=56
selling price of both=7980+2856=10836
loss percent=(364/11200×100)percent=3.25 percent