Question

(1)/(1times4)+(1)/(4times7)+(1)/(7times10)+(1)/(10times13)+......+(1)/(28times31) equal to (A) (30)/(31) (B) (10)/(31) (C) (1)/(31) (D) (1)/(1times4times7times.....times31)​

Answer 1

Answer:

Sorry I didn't know plz follow me please