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## #1 2017-10-16 15:51:55

**hamidoon123****Moderator**- Registered: 2017-09-21
- Posts: 50,766

### Eliminating x from x² + 1/x² = m and x + 1/x = n, we get?

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

**Question:**

Eliminating x from x² + 1/x² = m and x + 1/x = n, we get

**Option A):**

m²-n²=-2**Option B):**

m²+n²=2**Option C):**

m²+n²=-2**Option D):**

m²-n²=2

**Correct Answer is Option A):**

m²-n²=-2

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## 2017-10-16 15:51:55

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### Re: Eliminating x from x² + 1/x² = m and x + 1/x = n, we get?

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