AP EAMCET202120 Aug 2021Evening ShiftMathematicsMatricesActual
If A = 2020 2021 2022 2023 4040 4042 4044 4046 6060 6063 6066 6069 8080 8084 8088 8092 then the rank of A is
Options
- A1
- B2
- C3
- D4
Correct answer
A. 1
Step-by-step solution
Given, If A = 2020 2021 2021 2023 4040 4042 4044 4046 6060 6063 6066 6069 8080 8084 8088 8092 A = 2020     2021 2022 2023 2 2020         2   2021         2 2022         2 2023 3 2020   3 2021 3 2022 3 2023 2 2020 2 2021 2 2022 2 2023 R 4 → R 4 - 2 R 1   &   R 3 → R 3 - 3 R 1 A = 2020     2021 2022 2023 2 2020         2   2021         2 2022     &#