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f(m,n)=45m+36n , where m and n are integers.What is the minimum positive value for f(m,n) for all values of m , n (this may be achieved for various values of m and n)?

 Jan 30, 2021
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f(m,n)=9(5m+4n)

5m+4n has to be an integer, and the smallest positive integer is 1. You can achieve this in many ways, one is (m = 1, n = -1). 

But we need to mulitply it by 9, so our answer is 9. 

 

I hope this helped. :))

 

=^._.^=

 Jan 30, 2021

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