Inequalities Solve the inequality. Express the solution using interval notation and graph the solution set on the real number line.
90. x2 ≤ 1
The solution of inequality and to express it using interval notation through real number line.
The given expression is .
Simplify the given inequality.
Apply the formula of algebraic expressions,
in the above equation.
Substitute x for a and 1 for b, in above equation.
The factors of the left hand side are and . These are zero when x is 1 and . These numbers divide the real line into the intervals,
Draw the table to determine the sign of each factor in each interval using test points
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