Q.1

$$\frac=?$$

A. \(\frac\)

B. \(\frac\)

C. \(\frac\)

D. \(\frac\)

\(\sqrt=2 \times \sqrt \times \sqrt\)

\(\sqrt=2 \times \sqrt \times \sqrt\)

\(\sqrt=2 \times \sqrt \times \sqrt\)

The RHS suggests the form: 2ab + 2bc + 2ac

In which identity do we have (2ab + 2bc + 2ac)?

B. \(\frac\)