S B's post

in Quantitative Aptitude for CAT 18
Updated last year

 How many real number solutions are there for a, b, c and d such that a² + b² + c² + d² = a(b + c + d)? 

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scrabbler
@scrabbler  ·  35,049 karma

all 2 doesn't work, we get 16 and 12

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