English
CISCE(English Medium) ICSE Class 9
Question Papers10
Textbook Solutions36655
Concept Notes & Videos264
Syllabus

Find the Value of : ( 67.8 )2 - ( 32.2 )2

Advertisements
Advertisements

Question

Find the value of : ( 67.8 )2 - ( 32.2 )2

Sum
Advertisements

Solution

( 67.8 )2 - ( 32.2 )2 
= ( 67.8 + 32.2 )( 67.8 - 32.2 )
= 100 x 35.6
= 3560

shaalaa.com
Factorisation by Taking Out Common Factors
  Is there an error in this question or solution?
Q 20.2
Chapter 5: Factorisation - Exercise 5 (E) [Page 76]

APPEARS IN

Selina Concise Mathematics [English] Class 9 ICSE
Chapter 5 Factorisation
Exercise 5 (E) | Q 20.2 | Page 76
Share
Notifications

Englishहिंदीमराठी
Login
Create free account


      Forgot password?
Course
Use app×