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Subjects
Mathematics CBSE
Class 8
Rational Numbers
Textbook Questions
17.
Exemplar exercise problems V
Exercise condition:
3
m.
1
. To get the product \(1\), we should multiply \(\frac{8}{21}\) by
\(\frac{21}{8}\)
\(\frac{-8}{21}\)
\(\frac{-21}{8}\)
\(\frac{8}{21}\)
2
. \(-(-x)\) is same as
\(x\)
\(\frac{1}{x}\)
\(-x\)
\(\frac{-1}{x}\)
3
. If \(x\) be any rational number then \(x + 0\) is equal to
\(0\)
\(-x\)
not defined
\(x\)
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