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RUMC_2022
HSC - উচ্চতর গণিত ২য় পত্র
→
অধ্যায়-০১ঃ বাস্তব সংখ্যা ও অসমতা
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All Topics
S
=
{
x
∈
R
:
x
2
−
10
x
+
21
<
0
}
i.
Inf
(
S
)
=
3
ii.
Sup
(
S
)
=
7
iii.
S
=
[
3
,
7
]
\begin{array}{l}S=\left\{x \in \mathbb{R}: x^{2}-10 x+21<0\right\}\\\text{i. } \operatorname{Inf}(S)=3\\\text{ii. } \operatorname{Sup}(\mathrm{S})=7 \text{}\\\text{iii. } S=[3,7]\end{array}
S
=
{
x
∈
R
:
x
2
−
10
x
+
21
<
0
}
i.
Inf
(
S
)
=
3
ii.
Sup
(
S
)
=
7
iii.
S
=
[
3
,
7
]
নিচের কোনটি সঠিক
A.
i ও ii
B.
i ও iii
C.
ii ও iii
D.
i, ii ও iii
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