Question

Find a value of a,4/3

Answer 1

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Answer 2

Step-by-step explanation:

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6*(4/3)^3-a(4/3)^2+19(4/3)-20=0

6(64/27)-a(16/9)+19(4/3)-20=0

128/9-16a/9+76/3-20=0

128/9-16a/9+228/9-180/9=0

356-180-16a/9=0

176-16a/9=0

by cross multiplication

-16a=-176

a=176/16

a=11