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<html><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/9.3.2/math.js"></script><body><h1>JavaScript</h1><p>Adding matrices with math.js</p><div id="demo"></div><script>const mA = math.matrix([[1, 2], [3, 4], [5, 6]]);const mB = math.matrix([[1,-1], [2,-2], [3,-3]]);// Matrix Additionconst matrixAdd = math.add(mA, mB);// Result [ [2, 1], [5, 2], [8, 3] ]document.getElementById("demo").innerHTML = matrixAdd;</script></body></html>