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If x + y = 2 and x² + y² = 4 then a relation free from ‘x’ is?

10th Class Karachi Board Exams Quizzes MCQs Quizzes Karachi Board 10th Class Math Online Test 10

Question:
If x + y = 2 and x² + y² = 4 then a relation free from ‘x’ is

Option A):
2y²y = 0
Option B):
y² - 2y = 0
Option C):
2y² + y = 8
Option D):
8 + y² - 4y = 0

Correct Answer is Option B):
y² - 2y = 0

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