Math, asked by negew31367, 10 months ago

If x ϵ R, lx l ≥ -7, then

Answers

Answered by manjumodukuru

1

Answer:

Suppose x≠0. Then |x|>0. Take ϵ=|x|/2 and we have |x|<ϵ=|x|/2, a contradiction.

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