Question

6√5 • 3√5 is not _________
(a) a natural number
(b) an irrational number
(c) a whole number
(d) a rational number

Answer 1

Hey there!!

6√5 × 3√5

= 18 × 5

= 90

This is a whole number , a natural number , and rational number

This cannot be an irrational number

Option ( b )

_________

Answer 2

Hey Mate!
________


$\textbf{Q.}$ 6√5 • 3√5 is not _________
(a) a natural number
(b) an irrational number
(c) a whole number
(d) a rational number

$\textbf{Ans.}$ (b) an irrational number ✔️

Prove :—

Given: 6√5 × 3√5

$\large{\bold{ = 18 \times 5}}$

$\large{\bold{ = 90}}$

Thus, 6√5 × 3√5 cannot be a irrational number.

____________

Hope it helps !!!