Which term of an AP 16, 11, 6, 1...... is-54?
Answers
Answered by
6
Step-by-step explanation:
16, 11, 6, 1...... is A. P
a=16
d=11-16
= -5
tn=-54
a+(n-1) d=-54
16+(n-1)-5=-54
16-5n+5=-54
21-5n=-54
-5n=-54-21
-5n=-75
n=-75/-5
n=14
Similar questions