# பின்வருவனவற்றுள் எது விகிதமுறு எண் அல்ல? அ)2/3 ஆ)-7/4 இ)0.375375 ஈ)9/0

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__Given__ **:****-**** **which of the following is not a rational numbers ?

a) 2/3

b) -7/4

c) 0.375375_____

d) 9/0

__Answer__ **:****-**** **

we know that,

- A rational number is the number that can be written in the form of p/q , where q ≠ 0 .

checking all options now,

a) 2/3 => q = 3 , so rational number .

b) -7/4) => q = 4 , so rational number .

c) 0.375375 :-

let,

x = 0.375375____

multiply both sides by 1000

→ 1000x = 375.375375_______

subtracting,

→ 1000x - x = 375.375375___ - 0.375375____

→ 999x = 375

→ x = 375/999

→ x = 125/333 => q = 33 , so rational number .

d) 9/0 => **q = 0** , so not a rational number.

__Learn more__ :-

prove that √2-√5 is an irrational number

https://brainly.in/question/37780143

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