Math, asked by raajr3031, 6 months ago


समांतर श्रेणी 8,15,22,,,,,,,,,,,का अंतिम पद 218 हैं पदों की संख्या ज्ञात किजिए


Answers

Answered by nareshsaini04445
12

Answer:

31 is the answer

Step-by-step explanation:

formula an=a+(n-1) d

a=8

d=a2-a1

=15-8

= 7

an=218

put in Formula

218=8+(n-1)7

218-8=(n-1)7

210÷7=n-1

30+1=n

31=n

Answered by aaryanrajgond0106
9

Answer:

sahi jaawab 31 hai.

Step-by-step explanation:

this is a ap

जिसका पहला  नंबर 8 है l

और इसका समान दुरी 7 है l

आखरी नंबर 218 है l

l=a+{n-1}d

218=8+{n-1}7

218-8={n-1}7

210/7=n-1

30+1=n

n=31

hope this is helpful

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