Edexcel A Level Maths

Edexcel A Level Maths- Statistics Questions & Answers 22024/2025 Linear Regression - ANS-y = axⁿ logy = loga + nlogx Exponential Regression - ANS-y = ab^x logy = loga + xlogb Normal Approximation - ANS-µ = np σ =√(np(1-p)) Mean - ANS-∑x ÷ n GF: ∑xf ÷ ∑f Variance - ANS-(∑x²/n) - (∑x/n)² Standard Deviation - ANS-√variance Histograms: Height - ANS-Area = k x frequency Frequency Density - ANS-frequency ÷ class width Population - ANS-Whole...

Edexcel A Level Maths – Statistics QUESTIONS AND CORRECT ANSWERS Linear Regression - Answer y = axⁿ logy = loga + nlogx Exponential Regression - Answer y = ab^x logy = loga + xlogb Normal Approximation - Answer µ = np σ =√(np(1-p)) Mean - Answer ∑x ÷ n GF: ∑xf ÷ ∑f Variance - Answer (∑x²/n) - (∑x/n)² Standard Deviation - Answer √variance Histograms: Height - Answer Area = k x frequency Frequency Density - Answer frequency ÷ c...

Edexcel A Level Maths Exams Question And Answers 2024/2025

EDEXCEL A LEVEL MATHS QUESTION WITH 100% CORRECT ANSWERS.

Edexcel A Level Maths All Answers Correct 1 + tan2θ ️= sec2θ cot2θ + 1 = cosec2θ ️= cosec2θ Sin2θ ️2sinθcosθ Cos2θ ️cos²θ-sin²θ 2cos²θ-1 1-2sin²θ Tan2θ ️2tanθ / (1 - tan²θ) How do you write a rational number in a proof? ️a/b What does y=|f(x)| do? ️Reflects values below the x-axis in the x-axis What does y=f(|x|) do? ️Reflects values of x≥0 in the y-axis Arithmetic sequence formula ️a₁+(n-1)d Geometric sequence formula ️uₙ = ...

integrate sinx -cosx + c integrate cosx sinx + c integrate sec^2 x tanx + c integrate cosecxcotx -cosecx + c integrate cosec^2x -cotx + c integrate secx tanx secx + c cosec^2 x = cot^2 x + 1 sec^2 x = tan^2 x + 1 sin^2 x 1 - cos^2 x sin^2 x (1-cos2x)/2 cos^2 x (1+cos2x)/2 Integral of 1/x ln IxI + C Differentiate sin x cos x Differentiate tan x sec² x Differentiate cot x - cosec² x Differentiate sec x sec x tan x Differentiate cos x - sin x Differentiate cosec ...

1 + tan2θ = sec2θ cot2θ + 1 = cosec2θ = cosec2θ Sin2θ 2sinθcosθ Cos2θ cos²θ-sin²θ 2cos²θ-1 1-2sin²θ Tan2θ 2tanθ / (1 - tan²θ) How do you write a rational number in a proof? a/b What does y=|f(x)| do? Reflects values below the x-axis in the x-axis What does y=f(|x|) do? Reflects values of x≥0 in the y-axis Arithmetic sequence formula a₁+(n-1)d Geometric sequence formula uₙ = arⁿ⁻¹ Con...