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NSTU-A_17-18
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-১০ঃ যোগজীকরণ
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∫
0
π
/
2
d
x
1
+
cos
x
=
?
\int_{0}^{\pi / 2} \frac{d x}{1+\cos x}=?
∫
0
π
/2
1
+
c
o
s
x
d
x
=
?
A.
1
1
1
B.
−
1
-1
−
1
C.
0
0
0
D.
π
\pi
π
Guide Answer
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