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Byju's Answer
Standard VII
Mathematics
Value of an Expression
Evaluate the ...
Question
Evaluate the following algebraic expression
x
2
+
2
y
for
x
=
1
&
y
=
1
.
A
2
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B
3
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C
1
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D
4
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Solution
The correct option is
B
3
Given:
x
2
+
2
y
On substituting the value of
x
=
1
,
y
=
1
in the given expression, we get;
=
(
1
)
2
+
2
(
1
)
=
1
+
2
=
3
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