ICSE Class 7 Answered
verify that a+b=b+a by taking
a=-1, b=(-2/3)
Asked by tannu.kumari20120737 | 27 Jun, 2020, 09:59: AM
Put the values of a and b in LHS and RHS to check.
See the working below

Hence LHS = RHS
Answered by | 27 Jun, 2020, 11:14: PM
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