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Question Number 203803 by ajfour last updated on 28/Jan/24

Answered by ajfour last updated on 28/Jan/24

2s^2 =(b^2 +c^2 )−(((h−k)/(h+k)))(b^2 −c^2 )                 −((2hk)/((h+k)^2 ))(a^2 )  please verify.

$$\mathrm{2}{s}^{\mathrm{2}} =\left({b}^{\mathrm{2}} +{c}^{\mathrm{2}} \right)−\left(\frac{{h}−{k}}{{h}+{k}}\right)\left({b}^{\mathrm{2}} −{c}^{\mathrm{2}} \right) \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:−\frac{\mathrm{2}{hk}}{\left({h}+{k}\right)^{\mathrm{2}} }\left({a}^{\mathrm{2}} \right) \\ $$$${please}\:{verify}. \\ $$

Commented by mr W last updated on 28/Jan/24

s^2 =((hb^2 +kc^2 )/a)−hk

$${s}^{\mathrm{2}} =\frac{{hb}^{\mathrm{2}} +{kc}^{\mathrm{2}} }{{a}}−{hk} \\ $$

Commented by ajfour last updated on 28/Jan/24

yes true, just that i havnt taken h+k=a in my post h and k are ratio terms. Thanks Sir.

Commented by mr W last updated on 29/Jan/24

apply this for Q203794?

$${apply}\:{this}\:{for}\:{Q}\mathrm{203794}? \\ $$

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