If a^{3} + b^{3}a3+b3 = 19 and ab = -6 , then what - Exam Yatra

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If a^{3} + b^{3}a3+b3 = 19 and ab = -6 , then what is the value of a + b?

[2017 SSC CGL 18 AUG Shift-1]

A 5

B 7

C 1

D -5

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