solve it ........
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Step-by-step explanation:
Hii friend,
If possible , let 3✓7 be rational Number. Then 3✓7 is rational , 1/3 is rational.
=> (1/3 × 3✓7) is rational . [ Because product of two rationals is rational]
=> ✓7 is rational.
This contradicts the fact that ✓7 is irrational.
This contradiction arises by assuming that 3✓7 is rational.
Hence,
3✓7 is irrational...... PROVED......
HOPE IT WILL HELP YOU.... :-)
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