Question

please help guys very urgent please*

the one who answers first i'll mark as brainliest
but please do answer the questions ​

Answer 1

Answer:

1

Step-by-step explanation:

2n+2n-1÷2n+1-2n

=2n,-2n get cancelled

2n-1÷2n+1

-1,+1 get cancelled

so,2n÷2n is1