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Show that a-(b-c) is not equal to (a-b)-c

A=5/3

B=11/2

C= -9/4....

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Solution

By BODMAS rule

We have to do bracket operation first

A1 solving a-(b-c)
. =(5/3) - ((11/2)-(-9/4))

. =(5/3) - (31/4)

. =-73/12

A2 solving (a-b)-c
. =((5/3)-(11/2)) - (-9/4)

. =(-23/6) - (-9/4)

. = -19/12

So we can see that

. a - (b - c) not equal to (a - b) -c

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If a, b, c are positive real numbers.Then find the minimum value of

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