Adv
Rajan@2021
  • 0
Guru

Prove that the following number is irrational: 3√7

  • 0

One of the most important and exam oriented question from real numbers in which we have given a number 3√7 and it is already asked in various examinations and we have been asked to prove that the given number is a irrational number.

Kindly solve the above problem in detail

RS Aggarwal, Class 10, chapter 1D, question no 3(vi)

Share

1 Answer

  1. 3√7

    let us assume that 3√7 is rational.

    as we know, product of two rational numbers is rational.

    but 7 is irrational , which is contradictory to our assumption.

    SO 3√7 is irrational.

    • 0
Leave an answer

Leave an answer

Browse

Choose from here the video type.

Put Video ID here: https://www.youtube.com/watch?v=sdUUx5FdySs Ex: "sdUUx5FdySs".

Captcha Click on image to update the captcha.

Related Questions