Find the two nubmbers whose sum is hundred and product is 1771
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Answer:
10
Step-by-step explanation:
Let the numbers be x,y
xy=100,y=x100
f(x,y)=x+y
f(x)=x+x100
Minimum of f(x) is obtained at f′(x)=0
⇒f′(x)=1−x2100=0
x=±10
∴x=10,y=10
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