Question

Where is the error?
Let a=1, b=1
=>a=b
On multiplying ‘a’ both sides. We get
a*a=a*b
On subtracting b*b from both sides
a*a-b*b= a*b-b*b
=> (a-b)(a+b)= b(a-b)
=> a+b=b
On putting values
1+1=1
2=1
Which is not true

Answer 1

Answer:

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