methods Exam Questions Fully Solved.
aᵐ x aⁿ =
aᵐ ÷ aⁿ =
(aᵐ)ⁿ =
(ab)ⁿ = - Answer aᵐ⁺ⁿ
aᵐ⁻ⁿ
aᵐⁿ
aⁿbⁿ
(a + b + c)(d + e + f) = - Answer ad + ae + af + bd + be + bf + cd + ce + cf
State the form of a quadratic equation - Answer ax² + bx + c where a ≠ 0
Factorise x² - y² - Answer (x + y)(x - y)
xⁿ/ᵐ =
x⁻ᵐ =
x⁰ = - Answer ᵐ√xⁿ
1/xᵐ
1
√(ab) =
√(a/b) = - Answer √a x √b
√a/√b
Explain how to rationalise fractions - Answer Eliminate the surd in the denominator by:
• Itself if in the form 1/√a
• It difference of two squares if in the form 1/(1±√a)