bk2 p50 ex17c q20 given find my working: i use y' for dy/dx stuck here. thanks p.s. why does that 'dash' -- y' look so bad in latex?
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Originally Posted by afeasfaerw23231233 bk2 p50 ex17c q20 given find my working: i use y' for dy/dx stuck here. thanks p.s. why does that 'dash' -- y' look so bad in latex? I haven't checked your work, but the next step is to insert your expression for y' in terms of x and y. It will be messy. -Dan
Hello, Originally Posted by afeasfaerw23231233 bk2 p50 ex17c q20 given find my working: i use y' for dy/dx stuck here. thanks p.s. why does that 'dash' -- y' look so bad in latex? It's ok for the first derivative. For the second derivative, I'd keep the formula you got by implicit differentiation : Derivating : And then replacing... It's ugly, but it can be more friendly than using the quotient rule
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