May/June 2026 Paper 31

2026 · 11 questions · 20 parts · 75 marks

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2Reduction Linear FormHard5 marks

The variables

x

and

y

satisfy the equation

y^{3} = A e^{k x}

, where

A

and

k

are constants. The graph of

ln y

against

x

is a straight line passing through the points

(- 1.32, 5.09)

and

(0.25, 1.16)

.

Find the values of

A

and

k

.

Working

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