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HCCD_2022
HSC - উচ্চতর গণিত ১ম পত্র
→
অধ্যায়-১০ঃ যোগজীকরণ
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f
(
x
)
=
sin
−
1
x
f(x)=\sin ^{-1} x
f
(
x
)
=
sin
−
1
x
এবং
g
(
x
)
=
e
x
g(x)=e^{x}
g
(
x
)
=
e
x
হলে -
i.
∫
g
(
−
2
x
+
3
)
d
x
=
−
1
2
e
−
2
x
+
3
+
c
ii.
∫
(
f
(
x
)
)
2
1
−
x
2
d
x
=
1
3
(
sin
−
1
x
)
3
+
c
iii.
∫
g
(
−
x
)
1
+
g
(
−
x
)
d
x
=
ln
(
1
1
+
e
−
x
)
+
c
\begin{array}{l}\text{i. } \quad \int g(-2 x+3) d x=\frac{-1}{2} e^{-2 x+3}+c\\\text{ii. } \int \frac{(f(x))^{2}}{\sqrt{1-x^{2}}} d x=\frac{1}{3}\left(\sin ^{-1} x\right)^{3}+c\\\text{iii. } \int \frac{g(-x)}{1+g(-x)} d x=\ln \left(\frac{1}{1+e^{-x}}\right)+c\end{array}
i.
∫
g
(
−
2
x
+
3
)
d
x
=
2
−
1
e
−
2
x
+
3
+
c
ii.
∫
1
−
x
2
(
f
(
x
)
)
2
d
x
=
3
1
(
sin
−
1
x
)
3
+
c
iii.
∫
1
+
g
(
−
x
)
g
(
−
x
)
d
x
=
ln
(
1
+
e
−
x
1
)
+
c
নিচের কোনটি সঠিক
A.
i ও ii
B.
ii ও iii
C.
i ও iii
D.
i, ii ও iii
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