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Given-f-xy-f-x-y-and-f-7-7-find-f-1008-

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Question Number 94318 by john santu last updated on 18/May/20
Given f(xy) = f(x+y) and f(7) = 7. find f(1008)
Givenf(xy)=f(x+y)andf(7)=7.findf(1008)
Commented by Rasheed.Sindhi last updated on 18/May/20
f(7)=f(7×1)=f(7+1)=7 f(8)=7 f(8)=f(8×1)=f(8+1)=7 f(9)=7 f(x)=f(x×1)=f(x+1) f(x+1)=f(x) ∴f(1008)=7
f(7)=f(7×1)=f(7+1)=7f(8)=7f(8)=f(8×1)=f(8+1)=7f(9)=7f(x)=f(x×1)=f(x+1)f(x+1)=f(x)∴f(1008)=7
Commented by john santu last updated on 18/May/20
yes....i agree
yes….iagree

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