If a-b-b-a-1-then-a3-b3- -11-201

The correct option is C 0 a/b+b/a=1 ⇒ a^2+b^2/ab=1⇒ a^2+b^2=ab Now, a^3+b^3=(a+b)(a^2 ab+b^2) =(a+b)(a^2+b^2 ab) =(a+b)(ab ab) =(a+b)× 0=0 ...

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Algebraic Identities

If a/b+b/a=1,...

Question

If $\frac{a}{b} + \frac{b}{a} = 1, t h e n a^{3} + b^{3} =$

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-1

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$\frac{1}{2}$

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Solution

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