Jawaban:

Javascripts

Code :

let matrixA = [

 [1, 3, 5],

 [2, 4, 6],

];

let matrixB = [

 [2, 4, 1, 2],

 [1, 3, 2, 4],

 [2, 1, 4, 1],

];

let matrixC = [[], []];

let result = 0;

//cetak matrix A

for (let i = 0; i < matrixA.length; i++) {

 process.stdout.write(`[ `);

 for (let j = 0; j < matrixA[0].length; j++) {

   process.stdout.write(

     ` ${matrixA[i][j]} ${j === matrixA[0].length - 1 ? "" : ","} `

   );

 }

 process.stdout.write(` ]\n`);

}

console.log();

// cetak matrixB

for (let i = 0; i < matrixB.length; i++) {

 process.stdout.write(`[ `);

 for (let j = 0; j < matrixB[0].length; j++) {

   process.stdout.write(

     ` ${matrixB[i][j]} ${j === matrixB[0].length - 1 ? "" : ","} `

   );

 }

 process.stdout.write(` ]\n`);

}

for (let i = 0; i < 2; i++) {

 for (let j = 0; j < 4; j++) {

   for (let k = 0; k < 3; k++) {

     result += matrixA[i][k] * matrixB[k][j];

   }

   matrixC[i].push(result);

   result = 0;

 }

}

console.log()

// cetak matrixC

for (let i = 0; i < matrixC.length; i++) {

 process.stdout.write(`[ `);

 for (let j = 0; j < matrixC[0].length; j++) {

   process.stdout.write(

     ` ${matrixC[i][j]} ${j === matrixC[0].length - 1 ? "" : ","} `

   );

 }

 process.stdout.write(` ]\n`);

}