Question

question 7 please answer fast

Answer 1

2({1/2}^4 + {1/2}^4) - ({√3}^2 + {1}^2) + 3 (2/√3)^2
2( 1/16 + 1/16) - (3+1) + 3×4/3
2(1/8) -4 + 4
1/4 proved......