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KEAM 2022 Math Solved Paper
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© examsnet.com
Question : 27
Total: 120
The normal to the curve
y
=
√
x
at the point
(
25
,
5
)
intersects the
y
-axis at
(
0
,
245
)
(
0
,
255
)
(
255
,
0
)
(
245
,
0
)
(
0
,
100
)
Validate
Solution:
y
′
=
1
2
√
x
m
=
1
2
√
25
=
1
10
(
y
−
5
)
=
−
10
(
x
−
25
)
y
−
5
=
−
10
y
=
250
(
0
,
255
)
© examsnet.com
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