Could someone please check my work

Compute The given arithmetic expression and give The answer in The form atbi for a, 6 ERR 1. 3 1 = 04- li 2. 17. 12 12 = - 1(- 1) = 1 = 1 + 0i 3. 143 = (12) 10. 12. ; = (-1) 10.-1 = 1 (-1) = 04- li 4. (- i)35 = ( 12) 16. ;3 = ( 1) ( -i) = 0+ - li 5 . ( 4 -; ) (5 + 3 1 ) = 20 + 121 - 5;+3 = 23 +7i 6. (8+ 21) ( 3- 1) = 24- 8:+61+2 = 26-2; 7. ( 2 - 3:) ( 4 + 1) + (6-5:) : 8+21-12:+3 + 16-5:) = 12- 101+ 6-51 =18-151 8 . ( 1 + i ) 3 = 1 3 + 1 + 3 ( 1 2 ) i + 3 (1) 12 = 1- 1 + 31- 3 = -2+21 Q = 1 b= -i 9. ( 1 - 1)5 = 1 = 5 ( E ) ( 1' ( - 14 1 + ( E ) ( 1 0 1 ( - ; 5 ) = 5 ! 0 ! ( 5 - 0)1 ( 15 ) ( - 1 0 ) + 5 ! T ! (4) : ( 1 ) ( - ;1 + 5 ! + 2131 ( 1) + 5 ! 3121 ( - 13) + 4 ! 11 ( - 14 ) + 5 ! sior ( - 15 ) = 5.4. 3. 2 1 + 5(-i) + 5.4.3.2 - ( - ;3) + 5 ( - i4 ) + ( - ;5 ) = 2 . 3 . 2 3. 2 . 2 - 5: + 10 - 1010-5; - Si + 10 + 101 - 5 - 1 : 6 - 41 Al-l 10. 13 - 41 1 = 532+ 1-4) 2 : 57+ 16 = 5 : 5+0; 11. 16+ 4:1= 56+ 42 = 36+ 16 = 152 : 54.13 : 2013 = 2513+ 01