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x2 এর সাপেক্ষে f(x) = 1 + x2 + x4 এর অখণ্ড সংখ্যা কী?

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ধারণা:

=   ....(i)

গণনা:

ধরি, x2 = u

সমীকরণ (i) অনুযায়ী,

=

⇒ u + + + C

এখন মান বসিয়ে পাই,

⇒ = x 2 + + + C

∴ নির্ণেয় পূর্ণ সংখ্যা হল x 2 + + + C

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