ICSE Class 7 Answered
2)Verify (a+b)+c = a+(b+c)for each of the following.
a) a=0,b=-19, c=-27
Asked by aanshpillay15.7spicertl | 01 Jun, 2020, 11:34: AM
Expert Answer
Given: a=0, b=-19, c=-27
(a+b)+c = [0+(-19)]+(-27) = (-19)+(-27) = -19-27 = -46
a+(b+c) = 0+[(-19)+(-27)] = 0+[-19-27] = 0+(-46) = -46
Hence, (a+b)+c = a+(b+c)
Answered by Renu Varma | 01 Jun, 2020, 12:16: PM
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