Question

1-a2+2ab-b2 please solve this question ​

Answer 1

Answer:

Step-by-step explanation:

Consider, (1 – a2 – b2 – 2ab)

= [1 – (a2 + b2 + 2ab)]

= [12 – (a + b)2]

= [1 – (a + b)] [1 + (a + b)]

= [1 – a – b] [1 + a + b]

Answer 2

Answer:

please mark as brainlist

thank u