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CBSE Class 10 Answered

If the nth term of a progression be a linear expression in n, then prove that it is in ap
Asked by achaldoshi23 | 30 Oct, 2019, 09:05: PM
answered-by-expert Expert Answer
nth term is a linear expression in n
tn=an+b
straight t subscript straight n minus straight t subscript straight n minus 1 end subscript equals an plus straight b minus straight a left parenthesis straight n minus 1 right parenthesis minus straight b equals an minus an plus straight a equals straight a
Therefore comma space difference space between space the space consecutive space terms space is space constant space
Hence comma space the space progression space is space an space AP.
Answered by Renu Varma | 31 Oct, 2019, 10:09: AM
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