BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

question of powers

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |
User avatar
Master | Next Rank: 500 Posts
Posts: 472
Joined: Sun Mar 29, 2009 6:54 pm
Thanked: 56 times

by ssmiles08 » Sat Jun 27, 2009 10:16 am
2^5 + 2^5 = 2*(2^5) = 2^6

3^5 + 3^5 + 3^5 = 3*(3^5) = 3^6

so it becomes 2^6 + 3^6

(C)
Top
Master | Next Rank: 500 Posts
Posts: 345
Joined: Wed Mar 18, 2009 6:53 pm
Location: Sao Paulo-Brazil
Thanked: 12 times
GMAT Score:660

by shibal » Sat Jun 27, 2009 10:27 am
u can think like this:

2^5 + 2^5 = 2^5(1+1) => 2^5*2
3^5 + 3^5 + 3^5 = 3^5(1+1+1) 3^5*3

2^5*2^1 + 3^5*3^1 = 2^6 + 3^6

hope it helps
Top
User avatar
Senior | Next Rank: 100 Posts
Posts: 77
Joined: Sat Dec 27, 2008 10:58 pm
Thanked: 4 times

by hetavdave » Sat Jun 27, 2009 10:31 am
thanks guyz..another of my clumsy mistake :x
Top
Post new topic Post Reply
• Page 1 of 1