if (a+1/a)^2=3, then what is the value of a^3+1/a^3. =?
a)10✓3
b)0
c)3✓3
d)6✓3
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a+1/a=√3
(a+1/a)^3=a^3+1/a^3+3(a+1/a)
(√3)^3=a^3+1/a^3+3√3
3√3-3√3=a^3+1/a^3
ans=0
(a+1/a)^3=a^3+1/a^3+3(a+1/a)
(√3)^3=a^3+1/a^3+3√3
3√3-3√3=a^3+1/a^3
ans=0
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