[(999)²-1] factorise the expression
Answers
Answered by
23
use formula
a2-b2=(a+b)(a-b)
so 999+1×999-1
=1000×998
=998000
a2-b2=(a+b)(a-b)
so 999+1×999-1
=1000×998
=998000
Answered by
2
Answer:
Refer to the attached image...
..............
Attachments:
Similar questions