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. if the second tetm of an A.P is 8 and 5t teim is 17, find its 19th term.III. Answer all Questions. |
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Answer» a+d=8a+4d=17 8-d+4d=178+3d=173d=9d=3a=5 19th term=a+18d=5+18*3=59 |
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