Welcome Guest | Sign in | Register
Surds and Indices - Discussion Page For Q.459 | Aptitude Questions and Answers | Aptitude Free Online-Tests | LucentBlackBoard | LucentBlackBoard.com

Home > Arithmetic Aptitude > Surds and Indices > Questions and Answers Discussion

Q: Simplify 3√18 + 2√8 + 3√32 - 2√50
A. 5√2 B. 15√2
C. 12 D. √2

Answer and Explanation

Answer:15√2

Explanation:
Simplify 3√18 + 2√8 + 3√32 - 2√50
= 3√3×3×2 + 2√2×2×2 + 3√4×4×2 - 2√5×5×2
= 9√2 + 4√2 + 12√2 - 10√2 = 15√2

Comment on this Question

Name:

Loading...




Partner Sites
LucentBlackBoard.com                  SoftLucent.com                  LucentJobs.com
All rights reserved © 2012-2015 SoftLucent.