Question

If a=1 b = (-2) then prove a. a+b = b+ a
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Answer 1

Answer:

pit the value of a and b in the formula

Step-by-step explanation:

1+(-2) = (-2)+1

1 =1

hence proved

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Answer 2

Answer:

GIVEN :- a= 1, b= (-2)

LHS :- a+b

1+(-2) = 1 - 2

=-1

RHS :- b+a

-2 +1

= -1

As , LHS=RHS

SO a+b = b+a

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