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JB_2021
HSC - উচ্চতর গণিত ১ম পত্র
→
অধ্যায়-১০ঃ যোগজীকরণ
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All Topics
F
(
x
)
=
cosec
x
F(x)=\operatorname{cosec} x
F
(
x
)
=
cosec
x
হলে -
i.
∫
F
(
x
)
d
x
=
ln
∣
cosec
x
+
cot
x
∣
+
c
ii.
∫
F
(
x
)
d
x
=
ln
∣
tan
x
2
∣
+
c
iii.
∫
F
(
x
)
d
x
=
−
ln
∣
cosec
x
+
cot
x
∣
+
c
\begin{array}{l}\text{i. } \int F(x) d x=\ln |\operatorname{cosec} x+\cot x|+c\\\text{ii. } \int F(x) d x=\ln \left|\tan \frac{x}{2}\right|+c\\\text{iii. } \int F(x) d x=-\ln |\operatorname{cosec} x+\cot x|+c\end{array}
i.
∫
F
(
x
)
d
x
=
ln
∣
cosec
x
+
cot
x
∣
+
c
ii.
∫
F
(
x
)
d
x
=
ln
tan
2
x
+
c
iii.
∫
F
(
x
)
d
x
=
−
ln
∣
cosec
x
+
cot
x
∣
+
c
নিচের কোনটি সঠিক?
A.
i ও ii
B.
i ও iii
C.
ii ও iii
D.
i,ii,ও iii
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