show that a÷(b÷c)is not equal to (a÷b)÷c for: (a) a= 3/2, b= -7/6, c= 5
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Step-by-step explanation:
a=3/2 ,b=-7/6 , c=5
a÷b. = 3/2÷-7/6 = 3/2×6/-7 = 18/-14= -9/7
b÷c = -7/6÷5 = 7/30
therefore,
a÷(b÷c) = 3/2 ÷7/30 = 3×30/2×7 = 90/14 = 35/7
(a÷b)÷c = -9/7÷5 = 45/7
therefore,
a÷(b÷c)=35/7
(a÷b)÷c=45/7
Hence,
a÷(b÷c) is not equal to (a÷b)÷c
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