38. Prove that
59 59 x 59-9 X 9 X 9 ÷
59 X 59 +59 X 9+9 X 9 = 50
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Step-by-step explanation:
let
59=a
9=b
( (a^3-b^3)=(a-b)(a^2+ab+b^2) )
59^3-9^3/59^2+59×9+9^2=50
(59-9)(59^2+59×9+9^2)/(59^2+59×9+9^2)=50
(59-9)=50
50=50
LHS =RHS
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