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#1 2017-10-16 15:52:16

hamidoon123
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Registered: 2017-09-21
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Eliminating z from z² + 1/z²=a² and z – 1/z = b, we get?

10th Class Federal Board Exams Quizzes MCQs Quizzes Federal Board Class 10th Math Chapter No 2

Question:
Eliminating z from z² + 1/z²=a² and z – 1/z = b, we get

Option A):
a²+b²=-2
Option B):
a²-b²=-2
Option C):
a²+b²=2
Option D):
a²-b²=2

Correct Answer is Option D):
a²-b²=2

2017-10-16 15:52:16

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Re: Eliminating z from z² + 1/z²=a² and z – 1/z = b, we get?



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