If z1 = 2 – i, z2 = 1 + i, find

It is given in the question that,z1 = 2 – iz2 = 1 + i∴ = = = = = = = = = Hence, the value of is

Q10 of 53 Page 112

If z₁ = 2 – i, z₂ = 1 + i, find

It is given in the question that,

_z₁ = 2 – i

_z₂ = 1 + i

∴

Hence, the value of is

Solve each of the equation in Exercises 6 to 9:

27x² – 10 x + 1 = 0

Solve each of the equation in Exercises 6 to 9:

21x² − 28x + 10 = 0

If prove that

Let z₁ = 2 – i, z₂ = –2 + i. Find:

(i)

(ii)

Questions · 53

5. Complex numbers and quadratic equations

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