Question

Find the eauation of the tangent to the
curve 4x² +9y2=40
(1, 2)​

Answer 1

Step-by-step explanation:

108a

2

−3(b−c)

2

=3[36a

2

−(b−c)

2

]

We can write it as

108a

2

−3(b−c)

2

=3[(6a)

2

−(b−c)

2

]

Based on the equation a

2

−b

2

=(a+b)(a−b)

We get,

108a

2

−3(b−c)

2

=3(6a+b−c)(6a−b+c)