Explanation:
root 34
root 52 = root 4 × root 13 = 2 root 13
root 34/2 root 13 (write as a fraction then rationalise denominator)
2 root 13 × 2 root 13 = 4 × 13 = 52
root 34 × 2 root 13 = 2 root 442
2 root 442/52 = root 442/26 (write as fraction)
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