Question

Find the common difference of an ap in which a 16 -a 12 is equal to 16

Answer 1

Answer is 4 the difference between them is 4

Answer 2

ans :- 16 -a =12
or, -a= -16+12
or, -a=-4
or, a=4..
& when you multiply 4×4=16...........
so therefore a=4ans..... is correct answer...........
I hope you understand.........................