plzz answer ... find the sum of the series 2 + 5 + 8 + .................. + 182
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Answered by
0
no. of terms will be 61.{ 2+(n-1)3=182 }
therefore, n=61.
Sum of 61 terms = 61/2×(2+182).
sum of 61 terms = 1612.
therefore, n=61.
Sum of 61 terms = 61/2×(2+182).
sum of 61 terms = 1612.
Answered by
1
a=2 ,d=3, l=182
182=2+3n-3
=>183=3n
=>n=61
so sum=61/2(4+60×3)
=>61(184)/2
=>61×92
=> 5612
182=2+3n-3
=>183=3n
=>n=61
so sum=61/2(4+60×3)
=>61(184)/2
=>61×92
=> 5612
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