Question
Tue April 14, 2015 By: Sriradha Gupta

Sir, could you please solve this one?
Sir, could you please solve this one, Question no 89594, Mathematics

Expert Reply
Prasenjit Paul
Wed April 15, 2015
L e t space a over b equals c over d equals k a equals b k comma space c equals d k  L H S comma fraction numerator 2 a minus 5 c over denominator 2 b minus 5 d end fraction equals fraction numerator 2 left parenthesis b k right parenthesis minus 5 left parenthesis d k right parenthesis over denominator 2 b minus 5 d end fraction equals fraction numerator k left parenthesis 2 b minus 5 d right parenthesis over denominator 2 b minus 5 d end fraction equals k R H S comma fraction numerator 3 a plus c over denominator 3 b plus d end fraction equals fraction numerator 3 left parenthesis b k right parenthesis plus left parenthesis d k right parenthesis over denominator 3 b plus d end fraction equals fraction numerator k left parenthesis 3 b plus d right parenthesis over denominator 3 b plus d end fraction equals k therefore L H S equals R H S H e n c e space P r o v e d
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