Let be a real number for which the system of linear equations
has infinitely many solutions. Then is a root of the quadratic equation :
linear equations
Now, using cramers law for infinite solution
all will be zero
Now put in options and check for the correct one
(1)
(2)
(3)
(4)
So, option (4) is correct.
Option 1)
Option 2)
Option 3)
Option 4)
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