Mathematics, 24.08.2021 14:00 Hannahmiller3773

Chứng minh rằng: a) 9/√a-1> hoặc=2
b) x²+2/√x² + 1 > hoặc =2
c) 2x²+1/√4x²+1 > hoặc =2

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Chứng minh rằng: a) 9/√a-1> hoặc=2
b) x²+2/√x² + 1 > hoặc =2
c) 2x²+1/√4x²+1 >...

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Chứng minh rằng: a) 9/√a-1> hoặc=2 b) x²+2/√x² + 1 > hoặc =2 c) 2x²+1/√4x²+1 > hoặc =2

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Chứng minh rằng: a) 9/√a-1> hoặc=2
b) x²+2/√x² + 1 > hoặc =2
c) 2x²+1/√4x²+1 > hoặc =2