What is the sum of the square root of 72 + square root of 50?
1 Answer
May 1, 2018
Explanation:
#"using the "color(blue)"law of radicals"#
#•color(white)(x)sqrtaxxsqrtbhArrsqrt(ab)#
#"simplifying each radical"#
#sqrt72=sqrt(36xx2)=sqrt36xxsqrt2=6sqrt2#
#sqrt50=sqrt(25xx2)=sqrt25xxsqrt2=5sqrt2#
#rArrsqrt72+sqrt50=6sqrt2+5sqrt2=11sqrt2#
