1.

Find the 17th term from the end of the AP.1,6,11,16,......211,216

Answer» a = 216 d=-5n=17a17= a + 16d = 216 +16 (-5) =216-80 136
216 , 211, ............... 16,11,6,1a=216d= - 5 (211 - 216)n = 17a17=a+16(-5) = 216 - 80 = 136


Discussion

No Comment Found