Factorise: 7b2 - 8b + 1

Factorise: 7b² - 8b + 1

बेरीज

7b² - 8b + 1

= 7b² - 7b - b +1

= 7b(b - 1) - 1(b - 1)

= (7b - 1)(b - 1)

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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 12 | पृष्ठ १६१

Factorise by the grouping method : (ax + by)² + (bx - ay)²

Factorise : (a² − b²) c + (b² − c²)a

Factorise : 2ab² - aby + 2cby - cy²

factorise: x² + 4x + 3

factorise: 2x² + xy - 6y²

factorise: 6 + 7b - 3b²

Factorise the following by grouping the terms:
x(x - 4)- x + 4

Factorise the following by grouping the terms:
2m³ - 5n² - 5m²n + 2mn

Factorise the following by grouping the terms:
p²x² + (px² + 1)x + p

Factorise the following by grouping the terms:

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