Question

if l/x=m/y=n/z and x^2/a^2+y^2/b^2+z^2/c^2=1 show that l^2/a^2+m^2/b^2 +n^2 /c^2=l^2+m^2+n^2/x^2+y^2+z^2​

Answer 1

Answer:

f l/x=m/y=n/z and x^2/a^2+y^2/b^2+z^2/c^2=1 show that l^2/a^2+m^2/b^2 +n^2 /c^2=l^2+m^2+n^2/x^2+y^2+z^2