Question

if, x = cy + bz, y = az + cx ,
z = bx + ay

then prove that
$\frac{ {x}^{2} }{1 - {a}^{2} } = \frac{ {y}^{2} }{1 - {b}^{2} } = \frac{ {z}^{2} }{1 - {c}^{2} }$


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Answer 1

answer in attached file