Question

If x= 5^(1/3) + 5^(-1/3), 5x^2-15x is given by​

Answer 1

Step-by-step explanation:

for,

x= 5^(1/3) + 5^(-1/3)

we get,

x = (³√5) + 1/(³√5)

x=5/(³√5)

is the answer

for,

5x²-15x=0

we get,

x²-3x=0

x-3=0

x=3

is the answer

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