Tiêu đề y11 ext2 t4 w1 homework solutions.pdf ✅

www.jeeducation.com.au JE MATHS 1 Stage 1 1. (T)(F)(F)(T) 2. (i, -i); (2i, -2i); (r17i, -r17i) 3. (2r2i, -2r2i); (-4+-2i); (-1+-r3i)/4; (1+-3i)/2 4. (-3+-r3i)/2; (x + 3/2 – r3i/2)(x + 3/2 + r3i/2) 5. (x - 2)2 - (2i)2; (x – 2 + 2i)(x – 2 – 2i) 6. (x + 5i)(x – 5i) (x – 1 + 3i)(x – 1 – 3i) (x + 3 – r3i)(x + 3 + r3i) (x + 4)(x - 2 + 2r3i)(x - 2 – 2r3i) (x - 2)(x + 1 + r3i)(x + 1 – r3i) 7. (-1, -i) (1, i) (-i, -1 (i, 1) (1, -1) (i, i) Stage 2 1. (1 - i), (1 - i); (-5 + 3i), (5 + 4i); (89), (26 + 13i); (1+17i), (-27 – 36i); (5 + 4i)/41, (-7 - 24i)/25; (17 + 44i)/25, (33 + 17i)/26; 2. (3 + 2i), (13); (-24i), (3 + 2i)/13; (3/13), (5+12i)/169; (-12/169), (i); 3. (a2 + b2), (2a); (4abi), (2a2 - 2b2); (2a)/(a2 + b2); 4. (3 + 2i), (1 + 2i); (17 - i), (1); (-13 + 26i), (17 - i)/10; (-29 – 14i), (-116 + 83i); (19 – 22i)/13, (19 + 22i)/13; 5. (6, 2) 6. (-3i); (2 + i, -2 - i); Stage 3 1. (3 - i)/2, (-1 – 2i)/2; (-1 – 7i)/5, (3 – i/2); 3. (x2 - 4x + 7 = 0) 4. (-4+3i, -4-3i, 25) 5. (-5 + 3i, k = -9 + 19i) 6. (cosθ + isinθ, cosθ – isinθ) Stage 4: 1. (-i, -3i); (4i, -3i); (-3i, i/2); (-i/2, 5i/3); 2. (-2 + 2i, 2 – 2i); (3 – 2i, -3 + 2i); 3 2   − i ±   ; ( ) ± −+ + 52 52 i ; 21 21 2 2 i   + − ± +     ; 3. (3 - i, 2 + i); (1, -(1 + i)/2); (7 - 2i, -1);