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Prove that 2+√5 is irrational.

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Prove that 2+√5 is irrational.

Posted by Paras Sharma 6 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Lustig Yashu? 6 years, 10 months ago

Sol. 2+Root5=p/q........(2 ko iss side lehana...to minus ka hojaega)....... Root5=P/q-2...... Roo5 is irrational number it is given Irrational =rational it is not possible So 2+root5 is irrational...

1Thank You

Lustig Yashu? 6 years, 10 months ago

Pura question likh bhai "root 5 is irrational no. So prove 2+ root5 is irrational" ...ye hoga sayad

0Thank You

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CBSE > Class 10 > Mathematics