find 3.8+6.11+9.14....upto n terms
Answers
Answered by
4
Answer:
Tn=3n(3n+5)
Step-by-step explanation:
3.8+6.11+9.14+12.17+.......
3,6,9,.....
T
n
=3+(n−1)3
=3+3n−3
3n
8,11,14,17,....
T
n
=8+(n−1)3
=8+3n−3
=3n+5
Tn=3n(3n+5)
Answered by
0
Answer:
3.8+6.11+9.14+12.17+.
3,6,9,
T
n
=3+(n−1)3
=3+3n−3
3n
8,11,14,17,.
T
n
=8+(n−1)3
=8+3n−3
=3n+5
Tn=3n(3n+5)
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