Grade 11Algebra
4x^2+25y^2+9z^2-10xy-15xy-6zx=0 x+y+z=5Solve for x,y and z.
1 Answer
anirudh
Approved Tutor Answer8 Years agoMultiply and divide eq n by 2 it transfers to 2a^2 +2b^2+2c^2 +2ab+2bc+2ac make 3 quardratic eq ns (a-b)^2 + b-c ^2 + a-c^2
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