Find the equations of the tangent and the normal to the given curve at the indicated point for
m at (1, 6) = 1
Tangent : y – b = m(x – a)
y – 6 = 1(x – 1)
x – y + 5 = 0
Normal :
y – 6 = -1(x – 1)
x + y – 7 = 0