PLS HELP WILL MARK BRAINLIEST TO BEST ANSWERS

Answer:
b
Step-by-step explanation:
2 consecutive integers have a difference of 1 between them, example 5, 6
let m be the first integer then m + 1 is the second and their product is
m(m + 1) → b
Given :-
To Find :-
Solution :-
Let ,
Their product ,
Hence option b is correct .