It is given that m<n and m>0. Prove that the following statements are ture.
(a) m(n-m)<n(n-m)
(b) m^2-7>m^3-7
Please show the complete steps
(MATHS)F.3 inequality
2012-09-14 2:43 am
回答 (1)
2012-09-14 3:00 am
✔ 最佳答案
Hi, l will prove the following statements are true.(1)set m=5 and n=8
(a)5(8-5)<8(8-5)
The answer: 15<24
It is true
(b)m^2-7>m^3-7
25-7>125-7
It is not true.
l hope the above information would be useful.
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