00:01
In this question, it is given that 4x power 9 plus y power 5 which is equal to 7x.
00:14
We need to solve 3 parts for part a to find y dash by implicit differentiation.
00:29
For that 4 x power 9 plus y power 5 which is equal to 7x.
00:44
Different using implicitly we get 4 into 9xx plus 5 y power 4 into dy by d x which is equal to 7.
01:01
That is 5y power 4, d .y by d x, which is equal to 7 minus 36 x power 8.
01:14
Now, d .y by d x, which is equal to 7 minus 36 x power 8, divided by 5y power 4.
01:25
For the second part to solve the equation explicitly for y and differentiate y -dash in terms of x.
02:00
So the equation is 4x power 9 plus y power 5 which is equal to 7x.
02:08
That is y power 5 which is equal to 7x minus 4x power 9 that is y which is equal to 7x minus 4x power 9 the whole power 1 by 5.
02:24
Now we have to integrating this sorry we have to differentiating this.
02:32
Y dash which is equal to differentiating this we get 1 by 5 into 7xx...