find the 7th term from the end of the Ap; 7,10,13...........,184.
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Answer:
7th term from the end is 166 and it is 52th term.
Step-by-step explanation:
a= 10, d= 3
an= a +(n-1)×d= 184(given)
184= 7+(n-1) × 3
177= 3n-3
174= 3n
n= 174÷ 3= 58
7th term from end(58th) is 52nd term and by using an= a+(n-1)×d
a52th will be 166.
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