second term of an A. P is 7 and the common difference is 4. find the 10th term
Answers
Answered by
0
Step-by-step explanation:
a+4=7
a=7-4
=3
10th term=
a+9d
3+9(4)
3+36
39
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Answered by
0
Answer:
Common difference (d) = 4
Second term = 7 ..... (i)
Let the first term be a .
From equation (i) ,
a + (2-1) 4 = 7
=> a+1×4 = 7
=> a+4 = 7
=> a = 3
Therefore, the first term (a) = 3
Tenth term = a + (n-1) d
= 3 + (10-1) 4
= 3 + 9 × 4
= 3 + 36
= 39
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