2 akar 98 + 5 akar 162 + 3 akar 50

[tex]2 \sqrt{98} + 5 \sqrt{162} + 3 \sqrt{50} \\ = 2 \sqrt{2 \times 49} + 5 \sqrt{2 \times 81} + 3 \sqrt{2 \times 25} \\ = 2 \times 7 \sqrt{2} + 5 \times 9 \sqrt{2} + 3 \times 5 \sqrt{2} \\ = 14 \sqrt{2} + 45 \sqrt{2} + 15 \sqrt{2} \\ = 74 \sqrt{2} [/tex]