\( y^2 = -4ax \) পরাবৃত্তের নিয়ামকের সমীকরণ কোনটি?

A \( x+a=0 \)

B \( x-a=0 \)

C \( y+a=0 \)

D \( y-a=0 \)

Solution

Correct Answer: Option B

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