Prove that for any real number 'a' we have 4a-a^4<=4.?

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Prove that for any real number 'a' we have 4a-a^4<=4.?

Prove that for any real number 'a' we have 4a-a^4<=4.?

23-07-2007, 09:18

I/e Sapoardhur

Reg: 05-10-03

Postime: 3

Prove that for any real number 'a' we have 4a-a^4<=4.?

<= means smaller or equal

Thank you.

23-07-2007, 09:20

Her_$_Slave Her_$_Slave eshte Jashte Linje

I/e Sapoardhur

Reg: 13-07-07

Postime: 2

Plot the equation on a chart would be a good first step.

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