Roots of x2-11x-28=0= Second-degree algebraic expressions in the form ax2 + bx + c = 0 are known as quadratic equations. The word "quadratic," which describes how the variable x is squared in the equation, is derived from the Latin word "quadratus," which means square. Put differently, an "equation of degree 2" is a quadratic equation.
There are numerous situations in which one uses a quadratic equation. Did you know that a quadratic equation can be used to explain the trajectory of a rocket when it is launched? A quadratic equation also has many uses in astronomy, engineering, physics, and other fields. There are two possible solutions to a quadratic equation, and they can both be real or complex integers. These two solutions (values of x) are denoted as (α, β) and are also known as the roots of the quadratic equations. In the content that follows, we will discover more about a quadratic equation's roots.Question 1:
Find roots of equation x 2 − 11 x + 28 = 0 by quadratic formula.
Solution:
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