Question

plz help as fast as you can!Q no.21

Answer 1

I think that the answer would be
-3/8

Answer 2

Hey!!!!....here is ur answer

n-2,4n-1,5n+2 are in A.P.

then by the property of A.P........

2 (4n-1)=n-2+5n+2

8n-2=6n

8n-6n=2

2n=2

n=1

Hope it will help you ☺