Latest A website Aptitude Question SOLUTION: let a=b Then, 1. ab = a^2 2. ab - b^2 = a^2 - b^2 3. b(a - b) = (a + b)(a - b) 4. b = a + b 5. b = b + b 6. b = 2b 7. 1 = 2 which step is the flaw in the above proof?

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(#M40155996) A WEBSITE Numerical Ability question Algebra Misconceptions Keep an EYE

let a=b

Then,

1. ab = a^2

2. ab - b^2 = a^2 - b^2

3. b(a - b) = (a + b)(a - b)

4. b = a + b

5. b = b + b

6. b = 2b

7. 1 = 2

which step is the flaw in the above proof?

Asked In A website Jaspreet Singh (8 years ago)

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