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About cpp connectivity
This is a discussion on About cpp connectivity within the Mathematical Puzzles forums, part of the Brain Gym category; hi friends , If the difference of two numbers is 8 and their product is 12, what is the sum of their squares?...
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08-02-2007
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simple math question
hi friends ,
If the difference of two numbers is 8 and their product is 12, what is the sum of their squares? Last edited by govindaraj123; 08-02-2007 at 04:59 AM. Reason: my question is placed here mistakenly. now i changed it . 
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08-02-2007
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Re: About cpp connectivity
There is no possible answer for this...You told their product is 12. So the possible combination is (1,12),(2,6),(3,4)
Whether the number is +ve or -ve, there is no possible for getting the difference 8. If i am wrong then correct me...otherwise correct your question... -------------------- suresh
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08-04-2007
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Re: About cpp connectivity
Quote:
hi suresh . i was given that question by an interview . i also confused with question . still i don't know correct answer . As u told question may be wrong i accept it ..
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08-04-2007
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Re: About cpp connectivity
The answer is 88
It is given that a -b = 8 and ab = 12 we need to calculate a^2 + b^2 We know that a^2 + b^2 = (a-b)^2 + 2ab = 8^2 + 2 *12 = 88 To Suresh, It is not given that both a and b are integers and you are not asked to find the values of a and b. Hope this helps you guys.
__________________
Cheers, :) James:)
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08-06-2007
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Re: About cpp connectivity
hi james,
Nice explanation. Now i am clear about the question.... ---------------- suresh
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08-06-2007
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Re: About cpp connectivity
that was really tricky, so is the answer.
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