Algebra
Problems related to equations, functions, polynomials, etc.
Problems in this category
The problem asks us to evaluate the expression $(5 + \sqrt{-1})(2 - \sqrt{-36})$.
Complex NumbersImaginary NumbersArithmetic Operations
2025/3/7
We are asked to evaluate the expression $(2 + \sqrt{-4})(-1 + \sqrt{-9})$.
Complex NumbersImaginary NumbersArithmetic Operations
2025/3/7
We are asked to evaluate the expression $(2 + \sqrt{-4})(-1 + \sqrt{-9})$. This involves complex num...
Complex NumbersImaginary NumbersArithmetic Operations
2025/3/7
We are asked to solve two complex number problems. First, calculate $(7 - \sqrt{-1}) - \sqrt{-81}$. ...
Complex NumbersArithmetic Operations
2025/3/7
The problem asks to evaluate the expression $(-5 + \sqrt{-4}) + (3 - \sqrt{-16})$.
Complex NumbersImaginary NumbersArithmetic Operations
2025/3/7
We are asked to solve the expression $(2+\sqrt{-4})(-1+\sqrt{-9})$.
Complex NumbersImaginary UnitArithmetic Operations
2025/3/7
We need to solve the expression $(2 + \sqrt{-4})(-1 + \sqrt{-9})$.
Complex NumbersComplex Number Arithmetic
2025/3/7
The problem is to solve the complex number arithmetic problems shown in the image. Specifically, we ...
Complex NumbersArithmetic Operations
2025/3/7
The problem asks us to simplify several expressions involving complex numbers. We need to perform ad...
Complex NumbersArithmetic Operations
2025/3/7
The problem describes a trapezoidal flower bed bounded by $y = x + 7$, the x-axis, and the vertical ...
Quadratic EquationsArea CalculationTrapezoidGeometric Application
2025/3/7