Using suitable identity evaluate (-28)^3+(9)^3+(19)^3.
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Solution:-
a³+b³+c³ = 3abca
a+b+c = -28+9+19 = 0
3abc = 3 × -28 × 9 × 19
= - 14364 Answer (Using formula)
a³+b³+c³ = 3abca
a+b+c = -28+9+19 = 0
3abc = 3 × -28 × 9 × 19
= - 14364 Answer (Using formula)
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