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prove that 3+√2is an irrational number

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prove that 3+√2is an irrational number

Posted by Rajhans Keshri 7 years, 11 months ago

CBSE > Class 10 > Mathematics

5 answers

Vashu Verma 7 years, 11 months ago

Let us assume 3+√2is anrational number So,. 3+√2=a/b √2=a/b-3 √2=a-3b/b We know that a/b is an rational number and 3 is also an rational number and when we add or subtract two rational number the result is also an rational. So,a-3b/b is an rational number.and, √2 is also a rational number. But, it contradicts the fact √2is irrational number. So, our assumption is false. Therefore,3+√2is an irrational number.

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Ayush Singh Rathaur Oxford 7 years, 11 months ago

AYUSH S SINGH

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Ajay Meena 7 years, 11 months ago

Who are you

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Ayush Singh Rathaur Oxford 7 years, 11 months ago

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Srishti Maurya 7 years, 11 months ago

Refer to ncert

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Posted by Kanika . 1 month ago

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Don't post personal information, mobile numbers and other details.
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Posted by Hari Anand 6 months, 1 week ago

CBSE > Class 10 > Mathematics