OCR MEI C3 — Question 2

Exam BoardOCR MEI
ModuleC3 (Core Mathematics 3)
TopicStandard Integrals and Reverse Chain Rule
2
  1. Expand \(\left( \mathrm { e } ^ { x } + \mathrm { e } ^ { - x } \right) ^ { 2 }\).
  2. Hence find \(\int \left( \mathrm { e } ^ { x } + \mathrm { e } ^ { - x } \right) ^ { 2 } \mathrm {~d} x\).
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