Question

5. Verify that a + b = b + a for each of the following:
a= -9/11 b= -4/11
​

Answer 1

Answer:

Firstly that,

a=-9/11

b=-4/11

Step-by-step explanation:

a+b = -9/11 + (-4/11)

-9/11 - 4/11

-9-4/11

-13/11

b+a = - 4/11 +(-9/11)

-4/11 - 9/11

-4-9/11

-13/11

R. H. S = L. H. S

Answer 2

Answer: -13

11

Step-by-Step Explanation

Given:- a=-9/11 ; b=-4/11

so,

Verify:- a+b = b+a

= -9 + -4

11

= -13

11

L.H.S = R.H.S

This is a 'Commutative Property' of addition

of 'Rational Numbers'

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