The product of roots of a quadratic equation 2x² +7x -4=0 is ?
-2.
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-2
a general quadratic equations is
ax^2 + bx + c = 0
on comparing the given equations with this general equation we get,
a = 2, b = 7 and c = - 4
as we know,
product of roots = c /a
= -4 /2
= -2
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