Question

which term of ap 3,8,13,15.........is78​

Answer 1

Answer:

equate on formula of nth term = 78

78,= a+ (n- 1) d

78= 3+ (n-1)5

75/5 =(n-1)

15=(n-1)

therefore n=16

Answer 2

Answer:

EQATE ON FORMUIA OF nTH TERM

Step-by-step explanation:

78=a+(n-1)d

78=3+(n-1)5

75/5 =(n-1)

15=(n-1) THEREFORE=16