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Answer :

GHAITHGHGO

Answer:

The choice four;

[tex]5 \sqrt{3} [/tex]

__o___o___

[tex] \sqrt{5} \times \sqrt{15} \\ \sqrt{5} \times \sqrt{5} \sqrt{3} \\ = 5 \sqrt{3} [/tex]

I hope I helped you^_^

SOFLAGO

Let's solve this,

= √5 . √15

  • "." here means multiply, am sure u know

= √5 × √3 × 5

  • constituent of 15 is 3 × 5

= √5 × 3 × 5

  • "√" can be taken common
  • as there is a pair of 5, which means it is a square we can take it out of the sqaure root.

= 5√3

And our answer is done, option 5√3! :P

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