Prove that 2+2=5,
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Answers
Sometimes Maths can also lie . Let's see how 2+2 will become 5.
Method 1 ⇢
We all know that 0 = 0
So 20 - 20 = 0
And 25 - 25 = 0
⇢ 20 - 20 = 25 - 25
⇢ We know that 20 = 5×4 and 25 = 5×5
⇢ ( 5 × 4) - ( 5 × 4 ) = ( 5 × 5 ) - ( 5 × 5 )
⇢ 4 ( 5 - 5 ) = 5 ( 5 - 5 )
Cancelling the equal terms
⇢ 4 = 5
Now we know that 2 + 2 = 4
Do replacing 4 with 5 we got
2 + 2 = 5
Method 2 ⇢
⇢ - 20 = - 20
⇢ 16 - 36 = 25 - 45
16 = 4² and 25 = 5²
⇢ 4² - ( 4×9) = 5² - ( 5×9 )
Adding 81/4 both sides
⇢ 4² - ( 4×9) + 81/4 = 5² - (5×9) + 81/4
Now multiplying and dividing by 2 in (4×9) and (5×9)
⇢ 4² - ( 2×4×9/2 ) + (9/2)² = 5² - (2×5×9/2) + (9/2)²
Now this becomes ( a- b)²
⇢ ( 4 -9/2) ² = (5 -9/2)²
⇢ 4-9/2 = 5- 9/2
⇢ Again we got 4 = 5 , And hence
2 + 2 = 5
Answer:
ToProve
2+2=5
Solution
Sometimes Maths can also lie . Let's see how 2+2 will become 5.
Method 1 ⇢
We all know that 0 = 0
So 20 - 20 = 0
And 25 - 25 = 0
⇢ 20 - 20 = 25 - 25
⇢ We know that 20 = 5×4 and 25 = 5×5
⇢ ( 5 × 4) - ( 5 × 4 ) = ( 5 × 5 ) - ( 5 × 5 )
⇢ 4 ( 5 - 5 ) = 5 ( 5 - 5 )
Cancelling the equal terms
⇢ 4 = 5
Now we know that 2 + 2 = 4
Do replacing 4 with 5 we got
2 + 2 = 5
Method 2 ⇢
⇢ - 20 = - 20
⇢ 16 - 36 = 25 - 45
16 = 4² and 25 = 5²
⇢ 4² - ( 4×9) = 5² - ( 5×9 )
Adding 81/4 both sides
⇢ 4² - ( 4×9) + 81/4 = 5² - (5×9) + 81/4
Now multiplying and dividing by 2 in (4×9) and (5×9)
⇢ 4² - ( 2×4×9/2 ) + (9/2)² = 5² - (2×5×9/2) + (9/2)²
Now this becomes ( a- b)²
⇢ ( 4 -9/2) ² = (5 -9/2)²
⇢ 4-9/2 = 5- 9/2
⇢ Again we got 4 = 5 , And hence
2 + 2 = 5