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13. Complex Numbers
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Q5 of 153 Page 13

If z1 = 2 – i, z2 = 1 + i, find

Given:


⇒ z1=2-i and z2=1+i


We have to find


We know that is


⇒


⇒


⇒


We know that |a+ib| is .


⇒


⇒


⇒


∴ The value of is .


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4

Find the multiplicative inverse of the following complex numbers :

4 – 3 i

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Find the multiplicative inverse of the following complex numbers :

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If z1 = 2 – i, z2 = -2 + i, find

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7

Find the modulus of

Questions · 153
13. Complex Numbers
1 2 3 3 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 3 3 3 3 3 3 4 4 4 4 5 6 7 8 9 10 11 12 13 14 15 16 16 16 16 16 17 18 19 20 21 22 23 24 25 26 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3 3 3 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
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