OCR H240/01 2020 November — Question 2

Exam BoardOCR
ModuleH240/01 (Pure Mathematics)
Year2020
SessionNovember
TopicIndices and Surds

2 Simplify fully.
  1. \(\sqrt { 12 a } \times \sqrt { 3 a ^ { 5 } }\)
  2. \(\left( 64 b ^ { 3 } \right) ^ { \frac { 1 } { 3 } } \times \left( 4 b ^ { 4 } \right) ^ { - \frac { 1 } { 2 } }\)
  3. \(7 \times 9 ^ { 3 c } - 4 \times 27 ^ { 2 c }\)