Question 1 - A-Level Maths

Exam Board	OCR
Module	C4 (Core Mathematics 4)
Topic	Integration by Substitution

$$\int _ { 2 } ^ { 4 } x \left( x ^ { 2 } - 4 \right) ^ { \frac { 1 } { 2 } } \mathrm {~d} x = 8 \sqrt { 3 }$$