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MBSTU-C_15-16
HSC - উচ্চতর গণিত ১ম পত্র
→
অধ্যায়-০৮ঃ ফাংশন ও ফাংশনের লেখচিত্র
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All Topics
যদি,
lim
x
→
0
{
1
+
x
ln
(
1
+
b
2
)
]
1
x
=
2
b
sin
2
θ
,
b
>
0
\lim _{x \rightarrow 0}\left\{1+x \ln \left(1+b^{2}\right)\right]^{\frac{1}{x}}=2 b \sin ^{2} \theta, b>0
lim
x
→
0
{
1
+
x
ln
(
1
+
b
2
)
]
x
1
=
2
b
sin
2
θ
,
b
>
0
এবং
θ
∈
(
−
π
,
π
)
\theta \in(-\pi, \pi)
θ
∈
(
−
π
,
π
)
হয় তবে
θ
=
?
\theta=?
θ
=
?
A.
±
π
4
\pm \frac{\pi}{4}
±
4
π
B.
±
π
3
\pm \frac{\pi}{3}
±
3
π
C.
±
π
6
\pm \frac{\pi}{6}
±
6
π
D.
±
π
2
\pm \frac{\pi}{2}
±
2
π
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