find the value of a and the value of b for which a+b=a- bis a true statement. make a generalization about the statement a+b=a-b.
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Given : a+b=a- b
To find : value of a and the value of b for which a+b=a- b is a true statement.
Solution:
a+b=a- b
cancelling a from both sides
=> b = - b
=> 2b = 0
=> b = 0
Hence value of b = 0
a + 0 = a - 0
=> a = a
which is always true
hence a ∈ R
value of b = 0 and a ∈ R
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N, a*b = a+2b then 2*(3*4)=
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