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Find the 6 term from the end of the AP 17,14,11---- -40 |
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Answer» Here a=17 d=14-17=-3Tn=-40a+(n-1)d=-4017+(n-1)-3=-4017-3n+3=-4020-3n=-40-3n=-40-20-3n=-60n=60/3n=20Total number of term in this AP=206th term from the end =(20-6)+1=15th terms T15=a+14d=17+14×(-3)=17-42=-256th term is - 25 zpwdjjqaxjssiw23 |
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