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CU-A_21-22
CU-A_15-16
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-০৯ঃ অন্তরীকরণ
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All Topics
lim
x
→
0
sin
7
x
−
sin
x
sin
6
x
=
\lim _{x \rightarrow 0} \frac{\sin 7 x-\sin x}{\sin 6 x}=
lim
x
→
0
s
i
n
6
x
s
i
n
7
x
−
s
i
n
x
=
?
A.
7
6
\frac{7}{6}
6
7
B.
−
7
6
-\frac{7}{6}
−
6
7
C.
1
1
1
D.
$-1
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