If arithmetic mean of a and b is \(\frac { { a }^{ n }+{ n }^{ n } }{ { a }^{ n – 1 }+{ b }^{ n – 1 } }\), then the value of n will be :
A. 1
B. 0
C. – 1
D. \(\frac {1}{2}\)
Answer:A
If arithmetic mean of a and b is \(\frac { { a }^{ n }+{ n }^{ n } }{ { a }^{ n – 1 }+{ b }^{ n – 1 } }\), then the value of n will be :
A. 1 B. 0 C. – 1 D. \(\frac {1}{2}\)