Math, asked by Anonymous, 7 months ago

x = 5-√21 prove that (x³+1/x3) - 5(x²+1/x²) + ( x + 1/x)

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Answered by CRTHOUFEEQ

2

Answer:

5(x²+1/x²) this is the answer please follow me I will follow you back please mark as brain list please bye

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