If a + b + 1 = 0, then the value of (a^3 + b^3 + 1 – 3ab) is

RRB NTPC Mains or Stage 2 Model Paper 3 with solutions

Question : 24 of 120

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If a + b + 1 = 0, then the value of

(a^3 + b^3 + 1 – 3ab)

Solution:

a + b + 1 = 0

(a + b + 1)^3 = 0

a^3 + b^3 + 1 – 3ab = 0

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