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পিএসসি ও অন্যান্য_2020
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অধ্যায় ০২ঃ বীজগণিত
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সরল সহসমীকরণ
If
a
+
b
+
c
=
12
,
a
+
b
=
4
,
a + b + c = 12, a + b = 4,
a
+
b
+
c
=
12
,
a
+
b
=
4
,
and
a
+
c
=
7
,
a + c = 7,
a
+
c
=
7
,
what is the value of
a
2
a^2
a
2
?
A.
2
B.
1
C.
3
23
3 \over 23
23
3
D.
5
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