Math, asked by aryangame862, 4 months ago

In an
ap
a = 18 d= - 3
an = 0 Then the value n

Answers

Answered by sneha120464

1

Answer:

21

Step-by-step explanation:

an= a+(n-1)d

0= 18+(n-1)-3

0= 18-3n+3

0= 21+3n

-21= 3n

n= -21/3

n= -7

Answered by yogverdhans

0

Answer:

an=a+(n-1)d

0=18+(n-1)(-3)

0=18-3n+3

18=3n+3

18-3=3n

15=3n

15/3=n

5=n

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