(a)
\The original equation is and the value of
.
To check the solution, substitute the value in the given equation.
.
Since the above statement is true, is a solution of the given equation.
(b)
\The equation is and the value of
.
To check the solution, substitute the value of in the given equation.
.
Since the above statement is false, is not a solution of the given equation.
(c)
\The equation is and the value of
.
To check the solution, substitute the value of in the given equation.
.
Since the above statement is false, is not a solution of the given equation.
(d)
\The original equation is and the value of
.
To check the solution, substitute the value of in the given equation.
.
Since the above statement is false, is not a solution of the given equation.
(a) is a solution of
.
(b) is not a solution of
.
(c) is not a solution of
.
(d) is not a solution of
.