Find the 21st term of the A.P whose first two terms are -3 and 4.
Answers
Answered by
2
Answer:
The 21st term of an AP is 137. Step-by-step explanation: It is given that first two term are -3 and 4. Therefore the 21st term of an AP is 137
Answered by
11
Step-by-step explanation:
a = -3. second term a2 = 4
d = 4 - (-3) = 7
a21 = a + (n - 1) d
a21 = -3 + (21 - 1)7
= -3 + 140
= 137 is the answer
Hope so it will help you!!
Similar questions