Tn=5n-4 find s4
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Tn = 5N - 4
T1 = 5 × 1 - 4 = 1
T2 = 5 × 2 - 4 = 6
T3 = 5 × 3 - 4 = 11
T4 = 5 × 4 - 4 = 16
Therefore,
S4 = ( T1+T2+T3+T4)
S4 = ( 1+6+11+16) = 34.
Hence,
S4 = 34.
Tn = 5N - 4
T1 = 5 × 1 - 4 = 1
T2 = 5 × 2 - 4 = 6
T3 = 5 × 3 - 4 = 11
T4 = 5 × 4 - 4 = 16
Therefore,
S4 = ( T1+T2+T3+T4)
S4 = ( 1+6+11+16) = 34.
Hence,
S4 = 34.
arshshaikh16:
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