xy–1 – yx log y
Therefore
dy
dx  =
1
1
[
log (1
log )] log
x
y
x
x
y
y
y
y x
x
x
x y
x
x
−
−
−
+
+
+
+
Rationalised 2023-24
 MATHEMATICS
134
EXERCISE 5 5
Differentiate the functions given in Exercises 1 to 11 w