Given:
The inequalities are:
a)
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b)
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To find:
The solution of inequalities by substituting the given values.
Solution:
a) We have,
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After substituting the given values one by one, we get
False statement.
False statement.
True statement.
True statement.
Therefore the solutions of
are
.
b)
We have,
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After substituting the given values one by one, we get
True statement.
False statement.
False statement.
False statement.
Therefore, the solution of
is
.