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DiB_2021
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-১০ঃ যোগজীকরণ
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কত ?
\int_{0}^{\frac{\pi}{4}} e^{x}\{f(x)+g(x)\} d x=\text {কত ? }
∫
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x
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+
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A.
0
0
0
B.
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\mathrm{e}^{\frac{\pi}{4}}
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1
1
1
D.
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−
1
e^{\frac{\pi}{4}}-1
e
4
π
−
1
Guide Answer
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\int_{0}^{\frac{\pi}{4}} e^{x}\{f(x)+g(x)\} d x=\text {কত ? }
