L.H.S =C1→ C1 + C2 + C3take (a + b + c) common from C1.R3→ R3 - 2R1= (a + b + c)[(b-c)(a+b-2c)-(c-a)(c+a-2b)]= a3 +b3 +c3 -3abc= RHS

Q. 215.0( 1 Vote )

Using the propert

Answer :

L.H.S =

C₁→ C₁ + C₂ + C₃

take (a + b + c) common from C₁.

R₃→ R₃ - 2R₁

= (a + b + c)[(b-c)(a+b-2c)-(c-a)(c+a-2b)]

= a³ +b³ +c³ -3abc

= RHS

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