Binomial Expansions

Year 1  »  Pure

3.4 Quickfire Questions


Answer the following quickfire questions (these are on the printed sheet).
Check your answers using the buttons.


Suggested Time: 5m


Sections 2-3:  Notes

Use your calculator to evaluate the following:
\(\left( {\begin{array}{*{20}{c}}8\\3\end{array}} \right)\)
Use your answers to part (a) to write down the value of:
\(\color{#3fcbbf}{=\ ^{15}{C_{\,2}}\,=105}\)
\(\left( {\begin{array}{*{20}{c}}15\\10\end{array}} \right)\)
\(\color{#3fcbbf}{=\left( {\begin{array}{*{20}{c}}15\\5\end{array}} \right)=3003}\)

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