Mathematics · Infinite Series
If y = x – x2 + x3 – x4 + ... ∞ (where |x| < 1), then x is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1y / (1 – y)
- 2(1 + y) / y
- 3(1 – y) / y
- 4y / (1 + y)✓
Correct answer
y / (1 + y)
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