Aspire Faculty ID #13950 · Topic: JAMIA MILLIA ISLAMIA MCA 2020 · Just now
JAMIA MILLIA ISLAMIA MCA 2020

If $|\alpha^2| = 4$ and $-3 \le \lambda \le 2$, then the range of $|\lambda \alpha^2|$ is……

Solution

Given $|\alpha^2| = 4$ and $-3 \le \lambda \le 2$. Then $|\lambda \alpha^2| = 4|\lambda|$. Minimum value at $\lambda = 0$ → 0. Maximum value at $\lambda = -3$ → $4 \times 3 = 12$. Hence, range is $[0, 12]$. $\boxed{\text{Answer: (C) } [0, 12]}$

Previous 10 Questions — JAMIA MILLIA ISLAMIA MCA 2020

Nearest first

Next 10 Questions — JAMIA MILLIA ISLAMIA MCA 2020

Ascending by ID
Ask Your Question or Put Your Review.

loading...