MCQ
Value of $i ($iota$)$ is:
- A$-1$
- B$1$
- ✓$(-1)^\frac{1}{2}$
- D$(-1)^\frac{1}{4}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $x_i$ | $2$ | $4$ | $6$ | $8$ | $10$ | $12$ | $14$ | $16$ |
| $f_i$ | $4$ | $4$ | $\alpha$ | $15$ | $8$ | $\beta$ | $4$ | $5$ |
are $9$ and $15.08$ respectively, then the value of $\alpha^2+\beta^2-\alpha \beta$ is $............$.