Real number is the total of all numbers. The equation \(2a \cdot b = a^2 + b^2\) is false.
Given
\(2a \cdot b = a^2 + b^2\)
To prove or disprove the above equation, we simply assume values for a and b.
Assume that:
\(a=5\)
\(b = 6.7\)
The equation becomes:
\(2 \times 5 \times 6.7 = 5^2 + 6.7^2\)
\(67 = 25 + 44.89\)
\(67 = 68.89\)
The above equation is false
i.e. \(67
e 68.89\)
This means that: \(2a \cdot b = a^2 + b^2\) is false
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