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SB_2021
HSC - উচ্চতর গণিত ১ম পত্র
→
অধ্যায়-১০ঃ যোগজীকরণ
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All Topics
f
(
x
)
=
sin
2
x
,
g
(
x
)
=
sin
2
x
f(x)=\sin 2 x, g(x)=\sin ^{2} x
f
(
x
)
=
sin
2
x
,
g
(
x
)
=
sin
2
x
হলে-
i. .
g
′
(
x
)
=
f
(
x
)
\text { i. . } g^{\prime}(x)=f(x)
i. .
g
′
(
x
)
=
f
(
x
)
হবে
ii.
lim
x
→
0
f
(
x
)
g
(
x
)
=
0
\text { ii. }\lim _{x \rightarrow 0} \frac{f(x)}{g(x)}=0
ii.
lim
x
→
0
g
(
x
)
f
(
x
)
=
0
iii.
∫
0
π
2
f
(
x
)
d
x
=
1
\text { iii. }\int_{0}^{\frac{\pi}{2}} f(x) \mathrm{dx}=1
iii.
∫
0
2
π
f
(
x
)
dx
=
1
নিচের কোনটি সঠিক?
A.
i ও ii
B.
ii ও iii
C.
i ও iii
D.
i, ii ও iii
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