Elements of Algebra

9 x² a²b a²b² a²x² ab² ab³ arithmetic means arithmetic number ax² binomial coefficients commensurable number common logarithms commutative law complex number cube root denote digits divided dividend divisor equivalent to system examples illustrate Exercise exponent factors Find the H. C. F. Find the number Find the value following expressions fractional number Hence identity imaginary number incommensurable indeterminate form linear equations locus logarithm mantissa miles an hour monomial Multiply negative number nth power nth root numerator and denominator obtain polynomial Proof quadratic equation quality-unit quotient radicand ratio real numbers real roots remainder second term solution of system Solve the system square root Substituting subtracted surd system of equations Transpose type-form unknown variable whole number x²y x²y² zero