sum of first fifteenth term of 6, 10 , 14.......
Answers
Answered by
1
Hello !!
AP = 6,10,114....
Here,
First term ( A ) = 6
Common Difference ( D ) = 10-6 = 4
Sn = N/2 × [ 2A + ( N - 1 ) × D ]
S15 = 15/2 × [ 2 × 6 + ( 15 - 1 ) × 4 ]
=> 15/2 × ( 12 + 56 )
=> ( 15 × 34 )
=> 510
★ HOPE IT WILL HELP YOU ★
AP = 6,10,114....
Here,
First term ( A ) = 6
Common Difference ( D ) = 10-6 = 4
Sn = N/2 × [ 2A + ( N - 1 ) × D ]
S15 = 15/2 × [ 2 × 6 + ( 15 - 1 ) × 4 ]
=> 15/2 × ( 12 + 56 )
=> ( 15 × 34 )
=> 510
★ HOPE IT WILL HELP YOU ★
Answered by
0
your answer is 510....
Similar questions