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0 votes
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in Mathematics by (59.7k points)

 z1 & z2 are complex numbers. The 

Equ.

(A) 2|√z1 + √z2|

(B) 2|√z1 - √z2|

(C) 2(|√z1|2 + |√z2|2)

(D) (|√z1|2 + |√z2|2)

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1 Answer

0 votes
by (56.9k points)

Correct option is (D)

Explanation:

b4 - b2 a2 + a4 =0 ⇒ b4a2 + a4a2 = b2a22

⇒ ba3 - b3a1 = 0 ⇒ a3 =b2a1

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