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NGDCR_2022
HSC - উচ্চতর গণিত ১ম পত্র
→
অধ্যায়-১০ঃ যোগজীকরণ
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All Topics
f
(
x
)
=
sin
2
x
f(x)=\sin 2 x
f
(
x
)
=
sin
2
x
ও
g
(
x
)
=
3
x
2
{g}(x)=3 x^{2}
g
(
x
)
=
3
x
2
হলে -
i.
∫
f
(
x
)
d
x
=
−
1
2
cos
2
x
+
c
\text { i. } \int f(x) \mathrm{d} x^{}=-\frac{1}{2} \cos 2 \mathrm{x}+\mathrm{c}
i.
∫
f
(
x
)
d
x
=
−
2
1
cos
2
x
+
c
ii.
∫
f
(
π
2
−
x
)
d
x
=
1
2
sin
2
x
+
c
\text { ii. } \int f\left(\frac{\pi}{2}-x\right) d x=\frac{1}{2} \sin 2 x+c
ii.
∫
f
(
2
π
−
x
)
d
x
=
2
1
sin
2
x
+
c
iii.
∫
0
1
g
(
x
)
d
x
=
1
\text { iii. } \int_{0}^{1} g(x) d x=1
iii.
∫
0
1
g
(
x
)
d
x
=
1
নিচের কোনটি সঠিক ?
A.
i ও ii
B.
i ও iii
C.
ii ও iii
D.
i, ii ও iii
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