Question

(square root of 5+4)(square root of 5-1)

Answer 1

\[\sqrt{5+4}\sqrt{5-1}\]

Answer 2

\[\sqrt{5+4}=\sqrt{9}\]
Now what is
\[\sqrt{5-1} \ ?\]

Answer 3

This is difficult.

Answer 4

\[\sqrt{4}\]

Answer 5

@iknott1 Right!

\[\sqrt{9}=3\]\[\sqrt{4}=2\] so
\[3 \times 2 = \ ?\]

Answer 6

6

Answer 7

RIght! :)