Question

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Answer 1

Step-by-step explanation:

LHS = RHS

LHS = RHS

LHS = RHS

LHS = RHS

Answer 2

1. a=-7/5 b=2/7

a+b=b+a

-7/5+2/7= 2/7+(-7/5)

-49+10/35 = 2/7-7/5

-39/35= 10-49/35

-39/35= -38/35

hence verified....

2. a=-1 b= -2/3

-1+(-2/3)=-2/3+(-1)

-1 -2/3=-2/3 -1

-3-2/3=-2-3/3

-5/3=-5/3

hence verified..

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