OCR H240/02 2022 June — Question 1

Exam BoardOCR
ModuleH240/02 (Pure Mathematics and Statistics)
Year2022
SessionJune
TopicExponential Equations & Modelling

1 In this question you must show detailed reasoning. Solve the following equations.
  1. \(\frac { x } { x + 1 } - \frac { x - 1 } { x + 2 } = 0\)
  2. \(\frac { 8 } { x ^ { 6 } } - \frac { 7 } { x ^ { 3 } } - 1 = 0\)
  3. \(3 ^ { x ^ { 2 } - 7 } = \frac { 1 } { 243 }\)