Question

question . solve √45 is it a rational number
please show how to solve​

Answer 1

Step-by-step explanation:

root 45 can be written as 3 root 5

and value of root 5 is 2.2360

so 3×2.2360=6.7082

Answer 2

Answer:

Let assume that it is a rational number,

so,

√45 =a/b (squaring both sides)

(√45) 2=(a/b) 2

45=a2/b2

45b2=a2

so, 45=a