Formal Invitation
Tyagraj Public School, Surya Nagar
(Insert Date)
To,
Shri Saras Rathore,
Education Minister,
(Insert Address)
Dear Sir,
We are delighted to invite you as the Chief Guest for our Annual Day Celebrations at
Tyagraj Public School.
Date: (Insert Date)
Time: (Insert Time)
Venue: School Auditorium
The event will showcase cultural performances, academic achievements, and more. Your presence will inspire our students.
Warm regards,
Savitri/Saurabh Trehan
Principal, Tyagraj Public School
If \[ A = \begin{bmatrix} 1 & 2 & 0 \\ -2 & -1 & -2 \\ 0 & -1 & 1 \end{bmatrix} \] then find \( A^{-1} \). Hence, solve the system of linear equations: \[ x - 2y = 10, \] \[ 2x - y - z = 8, \] \[ -2y + z = 7. \]