If x + y directly varies with √xy then prove that x directly varies with y.
Answers
Answered by
0
Answer:
hlo
Step-by-step explanation:
foemula Let x=ky then,
x
2
+y
2
=k
2
y
2
+y
2
=y
2
(k
2
+1)
x
2
−y
2
=k
2
y
2
−y
2
=y
2
(k
2
−1)
So
x
2
−y
2
x
2
+y
2
=
(k
2
−1)
(k
2
+1)
x
2
+y
2
=l(x
2
−y
2
) where l=
(k
2
−1)
(k
2
+1
Similar questions