Question

If the ratio of the sum of n terms of two A.P.s is (n+3):(n+5), then find the ratio of their 12th terms. ​

Answer 1

Answer:

(n+3):(n+5)= 12

x+x=3+5=12

2x+8=12

2x=12-8

2x=4

x=4/2

x=2

so ,, x+3x5=15

x+ 5x5=25

Step-by-step explanation:

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