Question

plz answer this question

Answer 1

Answer:

5x+7y=10

$5( \sqrt{2} + 1) + 7 \times \sqrt{4} = 10$

$5 \sqrt{2} + 5 + 7 \sqrt{4} = 10$

$5 \sqrt{2} + 5 + 7 \times 2 = 10$

$5 \sqrt{2} + 5 + 14 = 10$

$5 \sqrt{2} + 19 = 10$

$5 \sqrt{2} = 10 - 19$

$5 \sqrt{2} = - 9$