Question by Uchiha Sasuke - Discuss with MathYouLike

Uchiha Sasuke

18/06/2018 at 03:54

Let # be defined by a # b = ab + a²+ b². Let @ be defined by \(a@b=\dfrac{a}{3}-b\).
Calculate (a # b)@ a for a = 15 and b = 6.

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Nguyễn Mạnh Hùng 18/06/2018 at 08:23

For a = 15 and b = 6.

=> a # \(b=15.6+15^2+6^2=90+225+36=375\)

(a#b)@a = \(\dfrac{375}{3}\)- a = 125 - 15 = 110
Uchiha Sasuke selected this answer.
Uchiha Sasuke 18/06/2018 at 12:23

Thank you very much

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