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

Redeem

Need Help Solving Q. 16 Diag Sec In 12th ed Official Guide

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Quantitative Reasoning |
User avatar
Community Manager
Posts: 1537
Joined: Mon Aug 10, 2009 6:10 pm
Thanked: 653 times
Followed by:252 members

by papgust » Tue Jan 05, 2010 2:09 am
It is just a simple formula, (a+b)^2 = a^2 + b^2 + 2ab

[root(2x)+1]^2 = (root(2x))^2 + 1^2 + 2*root(2x)*1

And from here, it gets simplified.
Top
Post new topic Post Reply
• Page 1 of 1