Question

√-5 × √-3 =
1)√15
2)-√15
3)√-15
4)√15 i​

Answer 1

Answer:

1) √15

Step-by-step explanation:

√-5 × √ -3 = √ 15 cause minus and minus get multiplied and get the sign of + , and 5 ×3 becomes 15

HOPE IT WILL HELP YOU

Answer 2

Answer:

Option 2 is the right answer.

$\sqrt{-5}$ = 2.2360 i

and

$\sqrt{-3}$ = 1.732 i

So, multiplying i by i removes i and gives the minus sign.

So, $\sqrt{-5}\times\sqrt{-3}$ gives $-\sqrt{15}$

Hope it helps.