91Ó°ÊÓ

Q 683.

Page 1150

In the following exercises, simplify.

$(3+2\sqrt{7})(3-2\sqrt{7})$

Q 684.

Page 1150

In the following exercises, simplify.
$(6-\sqrt{11})(6+\sqrt{11})$

Q 685.

Page 1151

In the following exercises, simplify.

$\frac{\sqrt{75}}{10}$

Q 686.

Page 1151

In the following exercises, simplify.

$\frac{2-\sqrt{12}}{6}$

Q 687.

Page 1151

In the following exercises, simplify.

$\frac{\sqrt{48}}{\sqrt{27}}$

Q 688.

Page 1151

In the following exercises, simplify.

$\frac{\sqrt{75x^7}}{\sqrt{3x^3}}$

Q 689.

Page 1151

In the following exercises, simplify.

$\frac{\sqrt{20y^5}}{\sqrt{2y}}$

Q 69.

Page 1053

In the following exercises, simplify.

$\sqrt{m^{13}}$

Q 690.

Page 1151

In the following exercises, simplify.

$\frac{\sqrt{98p^6{q}^4}}{\sqrt{2p^4{q}^8}}$

Q 691.

Page 1151

In the following exercises, rationalize the denominator.

$\frac{10}{\sqrt{15}}$.