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Byju's Answer
Standard IX
Mathematics
Decimal Form, Decimal Fractions and Its Conversions
The value of ...
Question
The value of
101
×
102
is
A
10230
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B
10320
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C
10203
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D
10302
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Solution
The correct option is
A
10230
101
×
102
=
(
100
+
1
)
(
100
+
2
)
=
(
100
)
2
+
100
(
1
+
2
)
+
1
×
2
[
u
s
i
n
g
∶
(
x
+
a
)
(
x
+
b
)
=
x
2
+
x
(
a
+
b
)
+
a
b
]
=
10000
+
300
+
2
=
10302
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