Q4 of 128 Page 18

Prove that following numbers are irrational:

Let k = is a rational number

Therefore,



is rational



is also rational


But, we know that is irrational.


So, our assumption is wrong.


is an irrational number.


More from this chapter

All 128 →
4

Prove that following numbers are irrational:

 4

Prove that following numbers are irrational:

.

 4

Prove that following numbers are irrational:

 5

Find l.c.m.. (105, 91) using g. c. d. (a, b) (a, b) = ab