Question

factorise the following using ide
25a²b² - 10ab + 1​

Answer 1

_____________________

$\huge{\underline{\bold{ Question:- }}}$

Factorise:-

25a²b² - 10ab + 1

_____________________

Formula:-

(a-b)² = (a)² - 2(a)(b) + (b)²

_____________________

$\huge{\boxed{\text{ Solution:- }}}$

=> 25a²b² - 10ab + 1

=> (5ab)² - 2(5ab)(1) + (1)²

$\boxed{ => (5ab - 1)² }$

_____________________

Thankyou~

Answer 2

25a²b²-10ab-1=0

25a²b²-5ab-5ab+1=0

5ab(5ab-1) -1(5ab-1)=0

(5ab-1)(5ab-1)=0