91Ó°ÊÓ

In the following exercises, simplify.

(a)$(3+\sqrt{5}{)}^2$

(b)$(2-5\sqrt{3}{)}^2$

In the following exercises, simplify.

(a)$(4+\sqrt{11}{)}^2$

(b)$(3-2\sqrt{5}{)}^2$

In the following exercises, simplify.

$\sqrt{y^2}$

In the following exercises, simplify.

(a)$(9-\sqrt{6}{)}^2$

(b)$(10+3\sqrt{7}{)}^2$

In the following exercises, simplify.

(a)$(5-\sqrt{10}{)}^2$

(b) $(8+3\sqrt{2}{)}^2$

In the following exercises, simplify.

$(3-\sqrt{5})(3+\sqrt{5})$

In the following exercises, simplify.

$(10-\sqrt{3})(10+\sqrt{3})$

In the following exercises, simplify.

$(4+\sqrt{2})(4-\sqrt{2})$

In the following exercises, simplify.

$(7+\sqrt{10})(7-\sqrt{10})$

In the following exercises, simplify.

$(4+9\sqrt{3})(4-9\sqrt{3})$