If x+(4/x)=4 then find the value of x³+(4/x³)
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given,
x+ (4/x) = 4
cubing both side
{ x+(4/x)}³ = 4³
=> x³ + (4/x)³ - 3(x+4/x)(x×4/x) = 64
=> x³+ 64/x³ -12x+ 64/x = 64
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