Search any question & find its solution
Question:
Answered & Verified by Expert
Let $\bar{a}, \bar{b}, \bar{c}$ be three vectors such that $|\bar{a}|=|\bar{c}|=1,|\bar{b}|=4,|\bar{b} \times \bar{c}|=\sqrt{15}$. If $\lambda \bar{a}=\bar{b}-2 \bar{c}$, then the value of $\lambda$ is
Options:
Solution:
2505 Upvotes
Verified Answer
The correct answer is:
$\pm 2$
No solution. Refer to answer key.
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.