A level maths

A level maths formulae Questions with 100% Correct Answers| Verified | Latest Update 2024 arithmetic sequence geometric sequence sum of arithmetic sequence 1 n/2(2a + (n-1)d) sum of arithmetic sequence 2 n/2(a + l) (l= last term) sum of geometric sequence sum to infinity

A level Maths New Questions 2024 with 100% Correct Answers | Verified | Latest Update | 100% Pass if two lines are perpendicular, what must their gradients equal to when multiplied together? -1 What is the equation to calculate the gradient of a line? y₂-y₁/x₂-x₁ What is the equation to calculate the length of a line? √(y₂−y₁)^2 + (x₂-x₁)^2 What is the equation to calculate the midpoint of a line? (x₂+x₁) over 2 , (y₂+y₁) over 2 What is the equation of a circl...