What will be the values of S8-a4 for the following A.P 4,9,14.........,254.
Answers
Answered by
2
A=4 d=9-4=5
S8=8/2(2(4)+(7)(5))
=4(8+35)
=4*43
=172
Now t4=4+3(5)=4+15=19
According to question,
S8-t4=172-19
=153
Hope it helps you dear.....
S8=8/2(2(4)+(7)(5))
=4(8+35)
=4*43
=172
Now t4=4+3(5)=4+15=19
According to question,
S8-t4=172-19
=153
Hope it helps you dear.....
Answered by
1
S8-A4 = 172-19=153
Answer is 153
Answer is 153
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