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Question Number 209125 by Spillover last updated on 02/Jul/24

Answered by mr W last updated on 03/Jul/24

Commented by mr W last updated on 05/Jul/24

$$AB=AF=a$$$$a+a\cos \theta =2p$$$$\Rightarrow \cos \theta =\frac{2p}{a}-1$$

Commented by Spillover last updated on 03/Jul/24

$$nicesolutionthankyou$$

Commented by Spillover last updated on 03/Jul/24

Answered by Spillover last updated on 03/Jul/24

Commented by Spillover last updated on 04/Jul/24

$$thankyouveryforyourclarification.$$

Commented by mr W last updated on 03/Jul/24

$$but\cos \theta =-1+\frac{2p}{a}$$

Commented by Spillover last updated on 03/Jul/24

$$why2p?whatisreasonbehind$$

Commented by mr W last updated on 03/Jul/24

$$distancefromfocustovertexisp$$$$distancefromfocustodirectrixis2p$$$$seealsomydiagramabove.$$

Commented by mr W last updated on 03/Jul/24

Answered by Spillover last updated on 05/Jul/24

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