find two rational number between 1/3 and 1/4
Answers
Answer:
Step-by-step explanation:
7/24, 15/48
Step-by-step explanation:
Hi,
Given 2 rational numbers 1/3 and 1/4.
Let a = 1/4 and b = 1/3.
Now, for any 2 given rationals a and b, we know that (a + b)/2 is also rational
Hence , (1/3 + 1/4)/2 = 7/24 is also rational.
let c = 7/24.
Also, we know that ∀ a, b ∈ R, we have that
a ≤ (a + b)/2 ≤ b
Equality occurs if a =b.
Now, hence 1/4 < 7/24 < 1/3.
Hence, we have inserted one rational between 1/3 and 1/4.
Similarly consider pairs either 1/3 and 7/24 or 7/24 and 1/4,
say consider 1/3 and 7/24.
Now, (1/3 + 7/24)/2 = 15/48 lies between these 2 numbers
let this be d = 15/48
7/24 < 15/48 < 1/3
a = 1/4 < 7/24 < 15/48 < 1/3 = b
Hence , we have inserted 2 rationals 7/24 and 15/48 between 2 given
rational numbers.
Similarly, we can insert countable number of rationals.
Step-by-step explanation:
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