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Find the exact values of A and B. I tried doing it...adn don't know how to proceed...thanks

 

 Aug 14, 2020
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Simplify the L side

 

( 2 x9 y3-b ) a         Which shows you that     2a = 2-3         a = -3      now you can try to find b  by equationg the 'y' exponents

 

y3b-9  = y12      (take it from here)

 Aug 14, 2020

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