Q218.For some real numbers a and b, the system of equations x + y = 4 and (a + 5)x + (b² - 15)y = 8b has infinitely many solutions for x and y. Then, the maximum possible value of ab is
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Q218
26 Nov 2023
Q218.For some real numbers a and b, the system of equations x + y = 4 and (a + 5)x + (b² - 15)y = 8b has infinitely many solutions for x and y. Then, the maximum possible value of ab is
