If a gt b gt c and the system of eqution...

If `a gt b gt c` and the system of equtions `ax +by +cz =0`, `bx +cy+az=0`, `cx+ay+bz=0` has a non-trivial solution then both the roots of the quadratic equation `at^(2)+bt+c` are

A

(a) real

B

(b) of opposite sign

C

(c) positive

D

(d) complex

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The correct Answer is:

A, B

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