Question

Find (a+b) +(a-b) if a= 1/2 b=2/3 ​

Answer 1

$a {}^{2 } - {b}^{2} \\ ( \frac{1}{2} ) {}^{2} - ( \frac{2}{3} ) {}^{2}$

Answer 2

Step-by-step explanation:

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