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SAU_17-18
HSC - উচ্চতর গণিত ১ম পত্র
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অধ্যায়-০৯ঃ অন্তরীকরণ
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lim
x
→
0
1
+
x
−
1
−
x
x
=
?
\lim _{x \rightarrow 0} \frac{\sqrt{1+x}-\sqrt{1-x}}{x}=?
lim
x
→
0
x
1
+
x
−
1
−
x
=
?
A.
1
2
\frac{1}{2}
2
1
B.
1
1
1
C.
−
1
-1
−
1
D.
2
2
2
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