If x^2+y^2+z^2 \neq 0, x=c y+b z, y=a z+c x and z=b x+a y, then a^2+b^2+c^2+2 a b c is equal to

EAMCET Engineering 2002 Solved Paper

Section: Mathematics

Question : 186 of 200

Marks: +1, -0

If x2+y2+z2≠0,‌‌x=cy+bz,‌‌y=az+cx and z=bx+ay, then a2+b2+c2+2abc is equal to

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