CBSE Class 9 Answered
Factorise the polynomial x4 + 5x2 - 6
Asked by Topperlearning User | 07 Aug, 2017, 01:43: PM
Expert Answer
x4 + 5x2 - 6
Putting x2 = y ,
the polynomial can be written as y2 + 5y - 6
Factorizing it further,
here a = 1, c = -6 , ac = -6
b = 5 = 6 - 1
y2 + 5y - 6
= y2 + 6y - y - 6
= y(y + 6) - 1(y + 6)
= (y - 1)( y + 6)
= ( x2 - 1) (x2 + 6) [ putting back x2 = y ]
= ( x - 1) (x + 1) (x2 + 6)
Answered by | 07 Aug, 2017, 03:43: PM
Application Videos
Concept Videos
CBSE 9 - Maths
Asked by jaswanthsompi12345 | 19 Dec, 2023, 06:54: PM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by artigupta0766 | 12 Oct, 2023, 11:47: PM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by shivalaxmi0205 | 21 Feb, 2023, 07:31: PM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by lovebagri455 | 14 Jul, 2022, 04:56: PM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by avani2713 | 08 Jul, 2022, 01:52: AM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by sr963421 | 05 Jul, 2021, 11:18: AM
ANSWERED BY EXPERT
CBSE 9 - Maths
Asked by nithishshiva03 | 29 Jun, 2021, 06:38: PM
ANSWERED BY EXPERT