Double value

Number Theory Level 2

I f i t i s o n l y k n o w n t h a t x ∈ { m , n } , t h e n x c a n b e e x p r e s s e d a s ? If\quad it\quad is\quad only\quad known\quad that\quad x\in \{ m,n\} ,\quad then\quad x\quad can\quad be\quad expressed\quad as?

± m ± n \pm m\pm n ( m + n ) ± ( m − n ) 2 \frac { (m+n)\pm (m-n) }{ 2 } m ± n 2 \frac { m\pm n }{ 2 } m ± n m\pm n

Archit Boobna by Archit Boobna , 20, India

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1 solution

Saket Sharma
Sep 27, 2014

Take alternatively + and - sign. U will get the values m & n.

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