TWO equation,√2 x + √5 y = 0√6 x + √15 y = 0Concept used:Two equation a1x + b1y = 0; and a2x + B2Y = 0IF (A1/a2) = (b1/b2), then equations have infinite solutionsGiven:√2 x + √5 y = 0√6 x + √15 y = 0Here, a1 = √2, b1 = √5 and a2 = √6, b2 = √15According to the concept,(a1/a2) = (b1/b2)⇒ a1/a2 = √2/√6 = 1/3 ----(1)⇒ b1/b2 = √5/√15 = 1/3 ----(2)From equation (1) and (2), we geta1/a2 = b1/b2∴ The equations have infinite solutions.