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#1 2008-10-11 02:45:53
- great_math
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- Registered: 2008-10-07
- Posts: 5
Not getting it..
Two numbers are such that the sum of their cubes is 5 and the sum of their squares is 3. Find the sum of the numbers.
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#2 2008-10-11 06:10:06
- Kurre
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- Registered: 2006-07-18
- Posts: 280
Re: Not getting it..
hint: let a+b=x and take the squares and cubes of it to get two equations, and use these equations to solve for x.
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#3 2008-10-11 06:40:10
- sce1912
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- Registered: 2008-10-08
- Posts: 5
Re: Not getting it..
In symbols
I won't solve the problem for you but here's a sequenc of steps to follow
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