Question

If eight times the 6^( th ) term is equal to six times the 8^( th ) term of an A.P. then the ratio of it's first term and common difference is
a 2: 3
b 3: 1
c 1:2
d 1:1​

Answer 1

Answer:

8th=a+7d

6th=a+5d

8(a+5d) =6(a+7d)

8a+40d=6a+42d

2a=2d a=d

these two are same

so, their ratios are 1:1

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