Binomial Theorem And Its Simple Applications Question 61
Question: If $ n\in N $ , then $ {11^{n+2}}+{12^{2n+1}} $ is divisible by
Options:
A) 113
B) 123
C) 133
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
- [c] Putting $ n=1 $ in $ {11^{n+2}}+{12^{2n+1}} $ We get, $ {11^{1+2}}+{12^{2\times 1+1}}=11^{3}+12^{3}=3059, $ which is divisible by 133.