in an A.P. with d= -3,n=18,an= -5 then a is
a) 50
b) 49
c) 46
d) 25
Answers
Answered by
4
Step-by-step explanation:
an=a+(n-1)d
-5=a+(18-1)×-3
-5=a+(17)×-3
-5=a-51
a=51-5
a=46
Answered by
3
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