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Prove that the following are irrational numbers
2 + √5



By Audrey

Prove that the following are irrational numbers
2 + √5

About the author
Audrey

if the line’s 3x-4y+4= and 6x-8y+7= are tangents to a circle then find the radius of the circle​

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। एक स्कूल प्रात: 9 बजे चालू होता है तथा
प्रात: 11:51 बजे बंद होता है। 4 कक्षाएँ5
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2 thoughts on “Prove that the following are irrational numbers<br /> 2 + √5<br /><br /><br /><br />”

  2. Answer:

    If possible, let us assume 2+5 is a rational number.

    2−qp=−5

    q2q−p=−5

    ⇒−5 is a rational number.

    But −5 is not a rational number.

    ∴ Our supposition 2+5 is a rational number is wrong.

    ⇒2+5 is an irrational number.

    Reply

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