Question

if m is 1/3-2√2 what is m²​

Answer 1

Answer:

m^2 =( 73 - 12√2)/9

Step-by-step explanation:

(1/3-2√2)^2 =m^2

(a-b)^2 = a^2 - 2ab +b^2

m^2 = (1/3)^2 - 2(1/3)(2√2) + (2√2)^2

m^2= 1/9 - 4√2/3 + 8

m^2 =( 1 - 12✓2 + 72)/9

m^2 =( 73 - 12√2)/9