1.

An=144,. a=23,. d=7 find the n

Answer»

a(N) = 144



a(n) = a + d( n - 1 )

144 = 23 + 7( n - 1 )

144 - 23 = 7( n - 1 )

121/7 = n - 1


121/7 + 1 = n



(121 + 7 )/7 = n


128/7 = n






Discussion

No Comment Found

Related InterviewSolutions