Question

Question: Refer to the attachment

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Answer 1

Answer:

5

Step-by-step explanation:

see the attached document for the steps

Answer 2

Answer:

to find (a+b)/(a-b) if a=1/2;b=2/3

Step-by-step explanation:

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

l.c.m of 2and 3 is 6

so...

(3+4/6)/(3-4/6)

(7/6)/(-1/6)=0

the number six will get cancelled

so

(7/-1)=0

therefore the answer is -7

hope it helps you