Question

And the product of rational number minus 4 upon 7 and its multiple inverse

Answer 1

Here you go

$first \: number \: = \frac{ - 4}{7}$

Multiplicative inverse of a number is opposite or Reciprocal of number itself .

$inverse \: \: = \: \frac{7}{ - 4}$

Now we can multiply them easily

$\frac{ - 4}{7} \: \times \: \frac{7}{ - 4} = 1 \: answer$

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