OCR C1 — Question 2

Exam BoardOCR
ModuleC1 (Core Mathematics 1)
TopicIndices and Surds
  1. Express
$$\frac { 2 } { 3 \sqrt { 5 } + 7 }$$ in the form \(a + b \sqrt { 5 }\) where \(a\) and \(b\) are rational.
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