Find the reciprocal or multiplicative inverse of -2-5 iA- -2- 2 3 -5- 2 3 iB- -2-29-5-29 iC- 2-29-5-29 iD- -22-29-5-29 i

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Byju's Answer

Standard VIII

Mathematics

Inverse of Rational Numbers

Find the reci...

Question

Find the reciprocal (or multiplicative inverse) of -2 + 5i

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Solution

The correct option is A

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Similar questions

Q. Name the property under multiplication used in each of the following:

\frac{- 4}{5} \times 1 = 1 \times \frac{- 4}{5} = - \frac{4}{5}

ii)

- \frac{13}{17} \times \frac{- 2}{7} = \frac{- 2}{7} \times \frac{- 13}{17}

iii)

\frac{- 19}{29} \times \frac{29}{- 19} = 1

2 + 2^{2} + 2^{3} + . . . . . . . + 2^{9} =

Q. Solve

x^{2} - 3 x - 5 = 0

and find its roots.

$Find the reciprocal (multiplicative inverse) of : (i) \frac{3}{5} \times \frac{2}{3} (i i) \frac{- 8}{3} \times \frac{13}{- 7} (i i i) \frac{- 3}{5} \times \frac{- 1}{13}$

Q. Evaluate:

2 + 2^{2} + 2^{3} + . . . . + 2^{9} =

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