Question

KRISHNA PUBLIC SCHOOL
MATHS VACATION HOMEWORK
CLASS - X
Real Number
The smallest number by which 727 should be multiplied
so as to get a rational number.the smallest number by which under root 7 should be multiplied so as to get a rational number ​

Answer 1

Small est number by which 727 should be multipled is 1. As 727 itself is a national no.

ii) smallest no. by which root 7 should be multipled is root 7. As (root 7)^2 is 7 and 7 is a national no.