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If alpha satisfies the equation x2x10 and 1 alpha7AB alphaC : (Mathematics) | DivineJEE

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Mathematics

Exam

Mathematics

If

\alpha

satisfies the equation

x^2+x+1=0

and

(1+\alpha)^7=A+B \alpha+C \alpha^2, A, B, C \geqslant 0

, then

5(3 A-2 B-C)

is equal to ____________.

Select an option to instantly check whether it is correct or wrong.

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