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Question

(5,

\frac{π}{4}

)কেন্দ্র ও 2ব্যাসার্ধ বিশিষ্ট বৃত্তের সমীকরণ কোনটি?

π^{2}

+5

\sqrt{2}

(cos

θ

+sin

θ

)

π

+21=0

π^{2}

-

\frac{5}{\sqrt{2}}

(cos

θ

+sin

θ

)

π

-21=0

π^{2}

+5

\sqrt{2}

(cos

θ

+sin

θ

)

π

-21=0

π^{2}

+

\frac{5}{\sqrt{2}}

(cos

θ

+sin

θ

)

π

+21=0

π^{2}

-5

\sqrt{2}

(cos

θ

+sin

θ

)

π

+21=0

ANS : 5

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