The sum of n terms of two AP's are in the ratio 3n+8:7n+15. Find the ratio of their 9th terms.
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here is the answer..
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hope it helped
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snow123:
Hey, just a doubt from the 4th last step how did the 5 become 15 in the next step? Isn’t the ratio supposed to be 59:134?
oh
its a mistake
hi
Answered by
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hence the ration is 59:134
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