Factorise: 3a2 - 5a + 2

factorise: 3a² - 5a + 2

बेरीज

3a² - 5a + 2

= 3a2 - 3a - 2a + 2

= 3a (a - 1) - 2(a - 1)

= (a - 1)(3a - 2)

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Factorisation by Grouping

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पाठ 13: Factorisation - Exercise 13 (D) [पृष्ठ १६१]

पाठ 13 Factorisation
Exercise 13 (D) | Q 11 | पृष्ठ १६१

Factorise by the grouping method : a⁴ - 2a³ - 4a + 8

Factorise by the grouping method : a² + b - ab - a

Factorise by the grouping method :
`a^2 + 1/a^2 - 2 - 3a + 3/a`

Factorise using the grouping method :
a² + 4b² - 3a + 6b - 4ab

Factorise : a³ - a² - ab + a + b - 1

factorise: x² + 4x + 3

factorise: 5 + 3a - 14a²

factorise: (3x - 2y)² - 5(3x - 2y) - 24

factorise: 15(5x - 4)² - 10(5x - 4)

Factorise the following by grouping the terms:

`(1)/(25x^2) + 16x^2 + (8)/(5) - 12x - (3)/(5x)`