If a^3 +b^3/a^3-b^3 = 76/49, find value of a:b
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a^3 + b^3)/(a^3 - b^3)=76/49 On cross multiplication 49(a^3 + b^3)=76(a^3 - b^3) b^3(49+76)=a^ 3(76–49) b^3(125)=a^3(27) a^3/b^3=125/27 Take cube
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