Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 9 Answered

8a³ - 2b³
Asked by Swatisasturkar | 04 Feb, 2023, 01:38: PM
answered-by-expert Expert Answer
8 a3 - 2 b3
 
= (2a)3 - ( p b )3 , where p = begin mathsize 14px style cube root of 2 end style
 
= ( 2a - p ) [ (2a)2 - 3 (2a) (pb) (2a - pb ) + p2 ]
 
= ( 2a - p ) [ 4 a2 - 6 a p ( 2a - p ) +  p2 ]
 
= ( 2a - p ) [ 4 a2 - 12 a2p b + 6 a p2 b2 + p2 ]
 
- - - - - - - - - - - - - - - - - - - - -
Answered by Thiyagarajan K | 04 Feb, 2023, 02:55: PM
ICSE 9 - Maths
Asked by Swatisasturkar | 04 Feb, 2023, 01:38: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by idk48795 | 02 May, 2022, 08:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by sabnanisamir | 03 Feb, 2021, 06:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by nanditapalb | 30 Sep, 2020, 05:30: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by nagpalmukta510 | 04 Jun, 2020, 09:33: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by jiyajha2831.9sdatl | 24 Apr, 2020, 01:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by cprosu36 | 04 Jul, 2019, 08:21: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by mukherjeeaditi2004 | 15 Aug, 2018, 11:22: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by laxmi.agarwal055 | 21 Feb, 2018, 08:49: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by laxmi.agarwal055 | 21 Feb, 2018, 08:35: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×