State whether the given equation is a quadratic or not.

vi. State whether the given equation is a quadratic or not.
y
+
1
=
3


y



Answer. The equation is

y
+
1
=
3


y



Multiplying the equation with (y) on both the side.

y(y)
+
y
=
3(y)


y



y2 + 1 = 3y

y2 – 3 y + 1 = 0

Now it is the standard form of quadratic equation (i.e.) ax2 + bx + c = 0 . Where a is not equal to zero
and a, b, c are belong to Real numbers
It is a quadratic equation.


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