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Byju's Answer
Standard XII
Mathematics
Normal of a Curve y = f(x)
The abscissa ...
Question
The abscissa of the point on the curve
√
x
y
=
a
+
x
,
the tangent at which cuts off equal intercepts from the coordinate axes is
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Solution
x
y
=
x
2
+
a
2
+
2
a
x
⇒
y
=
a
2
x
+
2
a
+
x
d
y
d
x
=
1
−
a
2
x
2
Since tangent cuts off equal intercepts from the axes,
y
′
=
−
1
1
−
a
2
x
2
=
−
1
2
=
a
2
x
2
or
2
x
2
=
a
2
or
x
=
±
a
√
2
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Normal of a Curve y = f(x)
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