Question

If 3 times the 3rd term of an ap is equal to 7 times its 7th term then find its 10th term

Answer 1

Answer:

Step-by-step explanation

10 tem = a + 9d

3rd term = 3(a +2d)

7th term = 7(a + 6d)

3a + 6d = 7a + 42d

- 4a = 36d

i'm not sure excatly on what to do nxt i'm sorry