Most Important Selected Qs for JEE AdvancedMathematicsFunctions
Paragraph: Read the following write up carefully and answer the following questions: Define a function : N N as follows: (1)=1, (p^n )=p^ n-1 (p-1) if p is prime and n N and (m n)= (m) (n) , if m and n are relatively prime natural numbers then Question: (8 n+4) where n N is equal to
Options
- A2 (4 n+2)
- B(2 n+1)
- C2 (2 n+1)
- D4 (2 n+1)
Correct answer
C. 2 (2 n+1)
Step-by-step solution
(8 n+4)= (4(2 n+1))= (4) (2 n+1)= (2^2 ) (2 n+1)=2 (2 n+1)