Question

Find b is a rational number and b× b= 1

Answer 1

Answer:

$b = 1$

Step-by-step explanation:

$b \times b = 1 \\ threfore \: b = 1$

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Answer 2

Answer:

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Step-by-step explanation:

b×b=1

b²=1

therefore root b²=1

Hence,b=1