Question

plz solve question 1 fast

Answer 1

(2√2 - 5)^2. + (3√2 - √3 )^2. - (√2 - 1 )^ 2
= [ 4(2) - 25 ] + [ 9 (2) - 3] - ( 2 - 1 )
= (16 - 25 ) + ( 18 - 3 ) - (2-1)
= -9 + 15 -3
=15 - 12
= 3