"

Answer Key 9.9

  1. 3+84i3+84i
    114i114i
  2. 3i7i3i7i
    4i4i
  3. 7i3+2i7i3+2i
    9i39i3
  4. 566i566i
    16i16i
  5. 6i37i6i37i
    13i313i3
  6. 8i7i5+3i8i7i5+3i
    12i512i5
  7. 33i78i33i78i
    411i411i
  8. 4i+15i4i+15i
    36i36i
  9. i23i6i23i6
    2i82i8
  10. 54i+84i54i+84i
    138i138i
  11. 48i248i2
    48(1)48(1)
    4848
  12. 24i224i2
    24(1)24(1)
    2424
  13. 40i240i2
    40(1)40(1)
    4040
  14. 32i232i2
    32(1)32(1)
    3232
  15. 49i249i2
    49(1)49(1)
    4949
  16. 7i2(43i)7i2(43i)
    28i2+21i328i2+21i3
    28(1)+21(1)i28(1)+21(1)i
    2821i2821i
  17. 36+60i+25i236+60i+25i2
    36+60i+25(1)36+60i+25(1)
    36+60i2536+60i25
    11+60i11+60i
  18. 16i2(28i)16i2(28i)
    32i2+128i332i2+128i3
    32(1)+128(1)i32(1)+128(1)i
    32128i32128i
  1. aa
    5642i+32i24i25610i24(1)+248010i5642i+32i24i25610i24(1)+248010i
  2. 9i2(44i)9i2(44i)
    36i2+36i336i2+36i3
    36(1)+36(1)i36(1)+36(1)i
    3636i3636i
  3. aa
    8+10i+28i35i28+38i35(1)+3527+38i8+10i+28i35i28+38i35(1)+3527+38i
  4. 32i+64i+4+12i32i+64i+4+12i
    28+76i28+76i
  5. aa
    32+24i16i12i232+8i12(1)+1244+8i32+24i16i12i232+8i12(1)+1244+8i
  6. 18i+12i228i218i+12i228i2
    18i+12(1)28(1)18i+12(1)28(1)
    18i12+2818i12+28
    18i+1618i+16
  7. aa
    2+10i+i+5i22+11i+5(1)53+11i2+10i+i+5i22+11i+5(1)53+11i
  8. aa
    6+3i+10i5i26+13i5(1)+51+13i6+3i+10i5i26+13i5(1)+51+13i
  9. 9+5iiii9i+5i2i29i+5(1)(1)9i+59+5iiii9i+5i2i29i+5(1)(1)9i+5
  10. 3+2i3iii3i+2i23i23i+2(1)3(1)3i233+2i3iii3i+2i23i23i+2(1)3(1)3i23
  11. 10i9i6iii10i9i26i210i9(1)6(1)10i+9610i9i6iii10i9i26i210i9(1)6(1)10i+96
  12. 4+2i3iii4i+2i23i24i+2(1)3(1)4i234+2i3iii4i+2i23i24i+2(1)3(1)4i23
  13. 36i4iii3i6i24i23i6(1)4(1)3i+6436i4iii3i6i24i23i6(1)4(1)3i+64
  14. 5+9i9iii5i+9i29i25i+9(1)9(1)5i995i+99
  15. 10iiii10ii2i210i(1)(1)10i+1
  16. 105iii10i5i210i5(1)10i÷55÷52i
  17. 4i10+i10i10i40i4i2(10)2(i)240i4(1)100140i+4101
  18. 9i15i1+5i1+5i9i+45i2(1)2(5i)29i+45(1)125i29i45125(1)9i451+25
    9i4526
  19. 876i7+6i7+6i56+48i7236i256+48i4936(1)56+48i49+3656+48i85
  20. 44+6i46i46i1624i1636i21624i16+36(1624i)÷452÷446i13
  21. 7107i10+7i10+7i70+49i10049i270+49i100+4970+49i149
  22. 986i8+6i8+6i72+54i6436i272+54i64+36(72+54i)÷2100÷2
    36+27i50
  23. 5i6i6+i6+i30i+5i236i230i536+130i537
  24. 8i67i6+7i6+7i48i+56i23649i248i5636+4948i5685
  25. ±9i
  26. 59±35i
  27. 2045±25i
  28. 2446±26
  29. 3+3963+33i61+3i2
  30. 4244422i42+2i2
  31. 84i42i
  32. 6+21646+42i43+22i2
  1. i
  2. i3i
  3. 1
  4. 1
  5. i21
  6. i
  7. i21
  8. i3i

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