find by implicit differentiation
i don't see this moving towards which is the answer
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In your formula for , you have a y', which you can replace by what you found just above ! :
And then finish it off with the original equation :
Plus, you applied the quotient rule incorrectly, the derivative of is , but you did
Plus, you applied the quotient rule incorrectly, the derivative of is , but you did then
Originally Posted by bigwave then So sorry, there was indeed the minus sign...
Did you manage to go through all the calculations to get the desired answer ?
We have and
But the very first equation tells us that
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