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DC_2022
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-১০ঃ যোগজীকরণ
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∫
0
1
∣
cos
x
sin
x
−
sin
x
cos
x
∣
d
x
=
?
\int_{0}^{1}\left|\begin{array}{cc}\cos x & \sin x \\-\sin x & \cos x\end{array}\right| d x=?
∫
0
1
cos
x
−
sin
x
sin
x
cos
x
d
x
=
?
A.
1
1
1
B.
−
1
-1
−
1
C.
0
0
0
D.
2
2
2
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