Answer :

Solving the LHS-


Operate + +


Δ =


Taking common ‘2’ from ,


Δ = 2


Operate


Δ = 2


Operate


Δ = 2


Operate


Δ = 2


Operate


Δ =


Operate – a


Δ =


Expand along


Δ = c(abc + abc) = 4abc = RHS


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