1.

If \[x,\,y,\,z\]are perpendicular drawn \[a,\,b\] and \[c\], then the value of  \[\frac{bx}{c}+\frac{cy}{a}+\frac{az}{b}\]will be [UPSEAT 1999]

A. \[\frac{{{a}^{2}}+{{b}^{2}}+{{c}^{2}}}{2R}\]
B. \[\frac{{{a}^{2}}+{{b}^{2}}+{{c}^{2}}}{R}\]
C. \[\frac{{{a}^{2}}+{{b}^{2}}+{{c}^{2}}}{4R}\]
D. \[\frac{2({{a}^{2}}+{{b}^{2}}+{{c}^{2}})}{R}\]
Answer» B. \[\frac{{{a}^{2}}+{{b}^{2}}+{{c}^{2}}}{R}\]


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