Problem

Solve each equation. See Example.1and Example.2.EXAMPLESolving Equations Quadratic in Form...

Solve each equation. See Example.1and Example.2.

EXAMPLE

Solving Equations Quadratic in Form

Solve each equation.

(a) (x + 1)2/3 − (x + 1)1/3 − 2 = 0
(b) 6x−2 + x−1 = 2

(a)
Both proposed solutions check, so the solution set is {−2, 7}.
b.

Both proposed solutions check, so the solution set is .

EXAMPLE

Solving an Equation Quadratic in Form

Solve 12x4 − 11x2 + 2 = 0.

SOLUTION

Check that the solution set is .

2x−2/5 − x−1/5 −1=0

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Solutions For Problems in Chapter 1.6

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