\( x^{2} + 4 y^{2} = 1 \) উপবৃত্তটির উৎকেন্দ্রিকতা কোনটি?

A \( \sqrt{2} \)

B \( \frac{\sqrt{3}}{2} \)

C \( \frac{1}{\sqrt{2}} \)

D \( \frac{1}{\sqrt{3}} \)

Solution

Correct Answer: Option B

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