Why is 1 2 b 2 − a 2 b − a = a + b 2 ?

1 2 b 2 − a 2 b − a = 1 2 ( b + a ) ( b − a ) b − a = a + b 2

Answered: "Why is 1 2 b 2 − a..."

Audrey Arnold

2022-11-02

Why is

\frac{1}{2} \frac{b^{2} - a^{2}}{b - a} = \frac{a + b}{2}

gortepap6yb

Beginner2022-11-03Added 19 answers

Consider that

b^{2} - a^{2} = (b + a) (b - a)

django0a6

Beginner2022-11-04Added 3 answers

\frac{1}{2} \frac{b^{2} - a^{2}}{b - a}

\frac{1}{2} \frac{(b + a) (b - a)}{b - a} = \frac{a + b}{2}

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