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Powering (Posted on 2013-10-05) Difficulty: 3 of 5
Given that a,b,x and y are real numbers such that

a+b=23
ax+by=79
ax2+by2=217
ax3+by3=691

Determine ax4+by4

No Solution Yet Submitted by Danish Ahmed Khan    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
re: this does itJer2013-10-08 09:45:05
No SubjectSteve Herman2013-10-07 22:12:54
this does itxdog2013-10-07 12:21:31
re: possible solutionJer2013-10-07 09:59:24
Some Thoughtspossible solutionbroll2013-10-05 14:24:36
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