Question

Find the two numbers whose sum is hundred and product is 1771.​

Answer 1

Answer:

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

hope this helps u