Question

5 root 2 into 7 root 2​

Answer 1

Answer:

$5 \sqrt{2} \times 7\sqrt{2} \\ = 7 \times 5 \times \sqrt{2} \times \sqrt{2} \\ = 35 \times 2 \\ = 70$

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Answer 2

Answer:

5 root 2×7 root 2

5×7×root 2×root 2=70