<p>Consider the expansion of \( (x^2 - 2)^5\).<span class="inline-marks">[6]</span></p>
<ol class="abc-list"><li><div class="list-item-paragraph">Write down the number of terms in this expansion.</div></li><li><div class="list-item-paragraph">The first four terms of the expansion in descending powers of \(x\) are</div><div class="list-item-paragraph" style="text-align: center">\(x^{10} - 10x^8 + 40x^6 + Ax^4 + \dots\)</div><div class="list-item-paragraph">Find the value of \(A\).</div></li></ol>

Consider the expansion of \( (x^2 - 2)^5\).

Write down the number of terms in this expansion.

The first four terms of the expansion in descending powers of \(x\) are

\(x^{10} - 10x^8 + 40x^6 + Ax^4 + \dots\)

Binomial Theorem

International Baccalaureate Mathematics: Applications and Interpretation Standard Level