Question

which of the following is an irrational number
1)√225
2)√49/3
3)√27
4)√1​

Answer 1

Answer:

second option is irrational no. cause it is an integer , irrational ko identify karne k liye you have to check if it's negative , its an odd no. or its an integer to hi irrational hoga

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Answer 2

Answer:

$\sqrt{27 }$

Step-by-step explanation:

$\sqrt{225} = 15$

root49/3 = 7/3

$\sqrt{49} \div 3 = 7 \div 3$

$\sqrt{27} = 3 \sqrt{3}$

where root 3 is irrational .

$\sqrt{1} = 1$