Surds

a.

Write $8\sqrt{45}\,$ in the form $k5k\sqrt{5}$ , where $k\,$ is an integer.

[2]

b.

Hence, write $845−3208\sqrt{45}-3\sqrt{20}$ in the form $m5m\sqrt{5}$ , where $m\,$ is an integer.

[2]

Surds

a.

Write $8\sqrt{45}\,$ in the form $k5k\sqrt{5}$ , where $k\,$ is an integer.

[2]

b.

Hence, write $845−3208\sqrt{45}-3\sqrt{20}$ in the form $m5m\sqrt{5}$ , where $m\,$ is an integer.

[2]

Surds

Surds Questions