if th sum of n terms of a progression be a quadratic expression in n .Show that it is an arithemetic progression
![Parts of quadratic equation. Quadratic, linear and constant term. Mathematics resources for teachers and students. Stock Vector | Adobe Stock Parts of quadratic equation. Quadratic, linear and constant term. Mathematics resources for teachers and students. Stock Vector | Adobe Stock](https://t4.ftcdn.net/jpg/06/13/91/97/360_F_613919702_TowBlTLNrGDgnj53bgHe7DXQXbat5634.jpg)
Parts of quadratic equation. Quadratic, linear and constant term. Mathematics resources for teachers and students. Stock Vector | Adobe Stock
Solving Three-Term Quadratic Equations by Factorization When the Leading Coefficient is Not Plus or Minus One on Vimeo
![SOLVED: Directions: Write each quadratic equation in standard form; ax^2 + bx + c = 0 then identify the values of a, b, and c. Determine the quadratic term, linear term, and SOLVED: Directions: Write each quadratic equation in standard form; ax^2 + bx + c = 0 then identify the values of a, b, and c. Determine the quadratic term, linear term, and](https://cdn.numerade.com/ask_images/269e9c4b25fa436695a20b2e382ee651.jpg)