Math, asked by sritama2580, 1 year ago

15) Factorise: 4x4 - 5x² +1
Sol:

Answers

Answered by tahseen619
5

4 {x}^{4}  - 5 {x}^{2}  + 1 \\ 4 {x}^{4}  -  {x}^{2}  - 4 {x}^{2}  + 1 \\  {x}^{2} (4 {x}^{2}  - 1) - 1(4 {x}^{2}  - 1) \\ ( {x}^{2}  - 1)(4 {x}^{2}  - 1) \\ (x + 1)(x - 1)(2 {x}^{ }  + 1)(2x - 1)
Similar questions