How many terms are there in the AP? 7,10,13......151
Answers
Answered by
22
tn = 151
a = 7
d = a2 - a1
d = 10-7
d = 3
tn = a + (n-1)d
151 = 7 + (n-1)3
151 = 7 + 3n - 3
151 = 4 + 3n
3n = 151-4
3n = 147
n = 49
∴ total term is 49th
a = 7
d = a2 - a1
d = 10-7
d = 3
tn = a + (n-1)d
151 = 7 + (n-1)3
151 = 7 + 3n - 3
151 = 4 + 3n
3n = 151-4
3n = 147
n = 49
∴ total term is 49th
Answered by
3
Answer:
Explanation:
tn = 151
a = 7
d = a2 - a1
d = 10-7
d = 3
tn = a + (n-1)d
151 = 7 + (n-1)3
151 = 7 + 3n - 3
151 = 4 + 3n
3n = 151-4
3n = 147
n = 49
Similar questions