ICSE Class 9 Answered
Solve this: (3x+1)(3x-1)(3x+2)(3x-2)
Asked by zimmylalwani9363.9sdatl | 17 Jun, 2020, 12:57: PM
Expert Answer
(3x+1)(3x-1)(3x+2)(3x-2)
= (9x2 - 1)(9x2 - 4) ... [Using the identity (a2 - b2) = (a+b)(a-b)]
= (9x2)2 - 4 x 9x2 - 9x2 + 4
= (9x2)2 - 36x2 - 9x2 + 4
= 81x4 - 45x2 + 4
Answered by Renu Varma | 18 Jun, 2020, 11:48: AM
Concept Videos
ICSE 9 - Maths
Asked by ck902183 | 10 Mar, 2024, 11:51: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by Swatisasturkar | 04 Feb, 2023, 01:38: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by pratimachouhan674 | 29 Jun, 2022, 11:53: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by deeya0121 | 01 Jun, 2022, 10:28: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by pushti.pancholi | 24 Apr, 2022, 02:04: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by sangeetadubey53835 | 06 Jul, 2021, 06:47: PM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by navkirankaurrehal23 | 27 Apr, 2021, 11:19: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by baruniagarwal.112056 | 27 Apr, 2021, 08:46: AM
ANSWERED BY EXPERT
ICSE 9 - Maths
Asked by Channakrishnappa7 | 11 Mar, 2021, 08:44: AM
ANSWERED BY EXPERT