find( a + b) ./.( a- b ) if,a=1/2 , b=2/3
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Answered by
1
Answer:
-7
Step-by-step explanation:
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Answered by
1
Answer:
-7
Step-by-step explanation:
( a + b) ./.( a- b ) if,a=1/2 , b=2/3
=(1/2+2/3)./.(1/2-2/3)
=(3+4/6)/(3-4/6)
=(7/6)/(-1/6)
=7/6×6/-1
=7/-1
=-7
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