pan class="strut bottom" style="height:0.77777em;vertical-align:-0.08333em;"></span><span class="base textstyle uncramped"><span class="mord mathit">a</span><span class="mrel">=</span><span class="mord mathit">b</span><span class="mbin">+</span><span class="mord mathit">c</span></span></span></span></eq>
<eq><span class="katex"><span class="katex-mathml"><math><semantics><mrow><msup><mi>c</mi><mn>2</mn></msup><mo>=</mo><msup><mi>a</mi><mn>2</mn></msup><mo>+</mo><msup><mi>b</mi><mn>2</mn></msup></mrow><annot