The Gateway to Computer Science Excellence
0 votes
19 views

The expression $3^{2n+1} + 2^{n+2}$ is divisible by $7$ for

  1. all positive integer values of $n$
  2. all non-negative integer values of $n$
  3. only even integer values of $n$
  4. only odd integer values of $n$
in Numerical Ability by Boss (16.8k points)
recategorized by | 19 views

1 Answer

+1 vote

 

Option (A) is the correct answer.

by Boss (13.7k points)
Quick search syntax
tags tag:apple
author user:martin
title title:apple
content content:apple
exclude -tag:apple
force match +apple
views views:100
score score:10
answers answers:2
is accepted isaccepted:true
is closed isclosed:true
50,645 questions
56,559 answers
195,717 comments
101,589 users