Evaluate the determinant by expanding `|[1,3,9,27],[3,9,27,1],[9,27,1,3],[27,1,3,9]|`

Evaluate the determinant by expanding ,1,3,9,273,9,27,19,27,1,327,1,3,9]|

Evaluate |(1,3,9,27),(3,9,27,1),(9,27,1,3),(27,1,3,9)|

Check if the sequence is an AP 1,3,9,27,....

Find n^(th) term of Geometric sequence 1,3,9,27,……

If A= [ (1,3,9,27 ), (3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (B) -(80^3) (C) (80^3)27 (D) 81^3

If A=[91,3,9,27),(3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (B) -80^3 (C) 80^3 (D) 81^3

If A= [ (1,3,9,27 ), (3,9,27,1),(9,27,1,3),(27,1,3,9)] then det A= (A) 0 (B) -(80^3).27 (C) (80^3)27 (D) 81^3

1/3,1/9,1/(27),….a_7

Find the nth terms of the following sequences. 1,3,9,27,…..

Find the sum of 7 terms of the G.P. 1,-3,9,-27....