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oMY.. I thought I knew how to solve this problem. But in the end I was wrong.
Can some one help me with this?:
What is the value of 1/ k + 1/ r?
k+r = 20
I thought i was correct when i just did
1) k + r =20 ==> 1/k +1/r =1/20.
The greater the sacrifice, the greater the Victory