The Total solution for NCERT class 6-12
AP 40, 37, 34, 31, тАж..Here a = 40, d = -3Let Tn┬а= 0Tn┬а= a + (n тАУ 1) d=> 0 = 40 + (n тАУ 1) (-3)=> 0 = 40 тАУ 3n + 3=> 3n = 43=> n =┬а433┬аwhich is infractionThere is no term which is 0