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Standard XII
Mathematics
Question
The domain of definition of the function y(x) given by equation
2
x
+
2
y
=
2
is
0
<
x
≤
1
0
≤
x
≤
1
−
∞
<
x
≤
0
−
∞
<
x
<
1
A
0
≤
x
≤
1
B
−
∞
<
x
≤
0
C
0
<
x
≤
1
D
−
∞
<
x
<
1
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Solution
Verified by Toppr
2
x
+
2
y
=
2
2
y
=
2
−
2
x
∵
2
y
>
0
[
e
x
p
o
n
e
n
t
i
a
l
f
u
n
c
t
i
o
n
]
∴
2
−
2
x
>
0
2
x
<
2
x
<
1
∴
x
ϵ
(
−
∞
,
1
)
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