Q8 of 29 Page 5

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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