Dear Student2x+5y =77Now, Let x =02(x)+0=77x =772Now, Let y = 00+5y =77y =775ThereforeEither x is an irrational number or y is an irrational numberOption BRegards

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D e a r S t u d e n t 2 x + 5 y = 7 \sqrt{7} N o w, L e t x = 0 2 (x) + 0 = 7 \sqrt{7} x = \frac{7 \sqrt{7}}{2} N o w, L e t y = 0 0 + 5 y = 7 \sqrt{7} y = \frac{7 \sqrt{7}}{5} T h e r e f o r e E i t h e r x i s a n i r r a t i o n a l n u m b e r o r y i s a n i r r a t i o n a l n u m b e r O p t i o n B R e g a r d s

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