hhahaygeHABS2734 hhahaygeHABS2734 09-02-2024 Mathematics contestada If some three consecutive coefficeints in the binomial expanison of (x+1)ⁿ in powers of x are in the ratio 2 : 15 : 70, then the average of these three coefficients isA. 964B. 625C. 227D. 232