Show that each of the progressions given below is an AP. Find the first term,
Channel: Doubtnut
Date: 2020-01-03

Show that each of the progressions given below is an AP. Find the first term, common difference and next term of each. (i) 9, 15, 21, 27, �. (ii) 11, 6, 1, -4� (iii) `-1, (-5)/(6), (-2)/(3), (-1)/(2),�.` (iv) `sqrt(2), sqrt(8), sqrt(18), sqrt(32), ....` (v) `sqrt(20), sqrt(45), sqrt(80), sqrt(125),...`