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If a upon b is equals to 2 upon3find value of a cube +b cube |
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Answer» a/b=2/3 Therefore, a=2 and b=3 a^3+b^3=? Using IDENTITY a^3+b^3=(a+b)(a^2+b^2-ab) (2+3)(2^2+3^2-(2X3)) 5(4+9-6) 5(13-6) => 5(7) = 35 |
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