Math, asked by kdz4977, 1 year ago

find the multiplicative inverse of -11 by -15​

Answers

Answered by sudhanshudhek76
10

Answer:

we know that

  • ( - ) × ( - ) = ( + )

so

  • ( -11 ) × ( 15 )
  • 165

SO YOUR ANSWER IS 165

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Answered by pulakmath007
1

The multiplicative inverse of - 11/- 15 is 15/11

Given :

The number - 11/- 15

To find :

The multiplicative inverse of - 11/- 15

Solution :

Step 1 of 2 :

Define multiplicative inverse of a number

1 is the Multiplicative identity

Let M is the multiplicative inverse of N ( ≠ 0 )

Then M × N = 1 = N × M

⇒ M = 1/N

So 1/N is multiplicative inverse of N

Step 2 of 2 :

Find multiplicative inverse of - 11/- 15

Let N be the multiplicative inverse of - 11/- 15

\displaystyle \sf{  N \times  \frac{-11}{-15} = 1 }

\displaystyle \sf{ \implies N \times  \frac{11}{15}  = 1}

\displaystyle \sf{ \implies N    =  \frac{1}{\frac{11}{15}}  }

\displaystyle \sf{ \implies N    =  1 \times  \frac{15}{11}   }

\displaystyle \sf{ \implies N    =    \frac{15}{11}   }

The multiplicative inverse of - 11/- 15 is 15/11

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