Calculate the Determinant of a 2x2 Matrix with Terms -1 and 3, -1 and 0

Calculate the Determinant of a 2x2 Matrix -1 3; -1 0

Calculate Discount Percentage from €470 to €400

Solve Rational Equation 1/(r-2) - 1/(r²-7x+10) = 6/(r-2)

Solve Equation Involving Variables in the Denominator: 1/(n-8) - 1 = 7/(n-8)

Solving Systems of Equations for Currency Denominations

Solve the Problem of Coins with Different Denominations and Total Counts

Solve Limit: Limit of (sqrt(cos(x)) - cbrt(cos(x))) / sin^2(x)

Binary Addition Problem Solution: 10101₂ + 1101₂

Solve the Equation 1/x = 6/(5x) + 1 Easily

Solve Rational Equation (b+6)/(4b^2) + 3/(2b^2) = (b+4)/(2b^2)

Solving Equations Involving Fractions: Step-by-Step Guide

Solving the Diophantine Equation y^2 = x^3 + 17 with Integer Solutions

Calculate Probability of Rolling Dice Summing to 18 with 4 Dice

Calculate Probability of Rolling Four Dice Summing to 18

Analyzing Complex Equation and Inequality Relationships in Functions

Find the Minimum Value of x^2 + 1/(x^2 + 2)

Solve the Fractional Equation 1/(6b^2) + 1/(6b) = 1/(b^2)

Simplify the Trigonometric Expression tan(2α - 90°)sinα + cosαcos2α + sinαcos2αtan(2α - 90°)

Solve the Expression tan(2α - 90°) Step-by-Step