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Byju's Answer
Standard XII
Mathematics
Equation of Tangent in Slope Form
Construct gra...
Question
Construct graph of the following function:
y
=
{
1
−
√
1
−
x
2
,
if
x
≤
1
1
+
log
1
2
x
,
if
x
>
1
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Solution
for
y
=
1
−
√
1
−
x
2
since domain for tis region is
x
ϵ
[
−
1
,
1
]
to make
1
−
x
2
≥
0
d
y
d
x
=
2
x
2
√
1
−
x
2
d
y
d
x
=
0
⟹
x
=
0
d
2
y
d
2
x
=
x
(
1
−
x
2
)
−
3
/
2
2
√
1
−
x
2
×
(
−
2
x
)
+
1
√
1
−
x
2
d
2
y
d
2
x
=
1
>
0
so minima is attained
and
y
x
=
0
=
0
and
y
(
−
1
)
=
y
(
1
)
=
1
now for part two
x
>
1
y
=
log
1
/
2
x
=
1
−
log
2
x
for
x
→
1
l
i
m
x
→
1
y
=
1
and at
l
i
m
x
→
∞
y
=
−
∞
and
y
=
0
=
1
−
log
2
x
⟹
log
2
x
=
1
⟹
x
=
2
Hence the resultant graph is show above.
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