Find the sum of given series 2+5+8+........+182

1.	Find the sum of given series 2+5+8+........+182
Answer» Answer: 2+5+8+........+182 a=2 a2=5 a3=8 an=182 d= a2-a d= 5 - 2 d= 3 an = a + (n-1)d 182 = 2 + (n-1)3 182-2/3 = n-1 180/3 = n-1 60 = n-1 n= 61 sn=n/2[2a + (n-1)d] sn=61/2[2(2) + (61-1)3] sn=61/2[4 +(60) 3 ] sn=61/2[4+180] sn=61/2[184] sn=61(92) sn=5612 HOPE ITS CLEAR

Answer»

Answer:

2+5+8+........+182

a=2 a2=5 a3=8 an=182

d= a2-a

d= 5 - 2

d= 3

an = a + (n-1)d

182 = 2 + (n-1)3

182-2/3 = n-1

180/3 = n-1

60 = n-1

n= 61

sn=n/2[2a + (n-1)d]

sn=61/2[2(2) + (61-1)3]

sn=61/2[4 +(60) 3 ]

sn=61/2[4+180]

sn=61/2[184]

sn=61(92)

sn=5612

HOPE ITS CLEAR

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Find the sum of given series 2+5+8+........+182

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