Question

[Nguyen Thi Bao Chau]

ta co :\(\sqrt{25=5};-\sqrt{25=-5;\sqrt{\left(-5\right)^2}=\sqrt{25=5}}\)

a) \(\sqrt{36}\)

b) -\(\sqrt{16}\)

c) \(\sqrt{\frac{9}{25}}\)

d)\(\sqrt{3^2}\)

e)\(\sqrt{\left(-3\right)^2}\)

Answer 1

[Lê Minh Anh]

a) \(\sqrt{36}=6\)

b)\(-\sqrt{16}=-4\)

c)\(\sqrt{\frac{9}{25}}=\frac{3}{5}\)

d)\(\sqrt{3^2}=\sqrt{9}=3\)

e)\(\sqrt{\left(-3\right)^2}=\sqrt{9}=3\)