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How to find the 11th term from the last term of the ap27,23,19,............ - 65. |
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Answer» WRite the above A.P. in reverse order, we get -65 ,-61, -57,..........19,23,27Here First term a = -65 and common difference d = 4So 11 th term a11\xa0= a+(n-1)da11\xa0= -65+(11-1) x4a11\xa0= -65+10x4a11 = -65+40= -25 a=-65d=23-27=-5a11=a+10da11=(-65)+(10)-5 |
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