Answer:
Given curve :
y = x3
+ 2x + 6 ?.. (1)
Let P (h, k) be
a point on (1)
?.
(2)
(1)
m1 =
slope of tangent to (1)
slope of
normal to (1)
According to
question, slope of normal = slope of given line
x + 14 y +
4 = 0
When h = 2, then
K = 8 + 4 + 6 =
18
When h = ?2 then
K = ?8 ? 4
+ 6 = ?6 [By (2)]
P(h, k) =
(2, 18) and (?2, ?6)
equation
of normal to (1).
At (2, 18) is
and At (?2, ?6)
is
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