Questions
If are the roots of where and then equal
detailed solution
Correct option is D
We have βγ+γα+αβ=0 . We can write ∆asΔ=1α3β3γ3βγγααβγααββγαββγγα=1α3β3γ3βγ+γα+αβγααβγα+αβ+βγαββγαβ+βγ+γαβγγα [using C1→ C1 + C2 + C3]=1α3β3γ30γααβ0αββγ0βγγα=0 [all zero property]Similar Questions
If ,then is equal to
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