Question:Simplified form of √72 + √162 + √128 =A23√2B16√2C17√2Dnone of theseAnswer: A. 23√2Explanation:72+162+128\sqrt{72}+\sqrt{162}+\sqrt{128}72+162+128=62+92+82=6\sqrt2+9\sqrt2+8\sqrt2=62+92+82=232=23\sqrt2=232