Question

1) x=1/5 Y =2/7 then X Y = _________________
2)The product of multiplicative inverse -9/2 and 5/18 is _________________.​

Answer 1

Answer:

1) XY = 2/35

2) -36/45

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Answer 2

Concept:

Product means what we get after multiplication and the product of multiplicative inverse is the product of a number and its inverse.

1.

Given:

X = 1/5 and Y = 2/7.

Find:

We are asked to find the product of XY.

Solution:

We have,

X = 1/5 and Y = 2/7

So,

X × Y = 1/5 ×2/7

X × Y = 2/14

So, a product of XY is 2/14.

2.

Given:

-9/2 and 5/18

Find:

We are asked to find the product of the multiplicative inverse.

Solution:

We have,

-9/2 and 5/18

So,

Multiplicative inverse of -9/2 = -2/9

Multiplicative inverse of  5/18 = 18/5

NOw,

Product will be,

=  -2/9 × 18/5

= -2/1 × 2/5

= -4/5

Hence, the product of the multiplicative inverse is (-4/5).

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