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JB_2021
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-১০ঃ যোগজীকরণ
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∫
0
π
sin
x
1
+
cos
2
x
d
x
=
কত ?
\int_{0}^{\pi} \frac{\sin x}{1+\cos ^{2} x} d x=\text { কত ? }
∫
0
π
1
+
c
o
s
2
x
s
i
n
x
d
x
=
কত
?
A.
π
2
\frac{\pi}{2}
2
π
B.
π
4
\frac{\pi}{4}
4
π
C.
π
6
\frac{\pi}{6}
6
π
D.
2
π
3
\frac{2 \pi}{3}
3
2
π
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