1.

If Δ=∣∣∣∣∣abcb2cc2babcc2aca2abca2bb2a∣∣∣∣∣=0 (a,b,c∈R and are all different and non-zero), then the value of a+b+c is:

Answer»

If Δ=

abcb2cc2babcc2aca2abca2bb2a

=0
(a,b,cR

and are all different and non-zero), then the value of a+b+c is:



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