mean of q and s, then (p/x) +
146), q and s are in geometric progression. x is the arithmetic mean of p and q, and y is the arithmetic
(s/y) =
A)
B)
CO
D) 2
Answers
Answered by
0
Given: f(x+y,x−y)=xy
Replacing x by
2
x+y
and y by
2
x−y
Gives f(x,y)=
4
x
2
−y
2
Now the arithmetic mean is
2
f(x,y)+f(y,x)
=
2
4
x
2
−y
2
+
4
y
2
−x
2
=0
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