When the angle between two vectors of equal magnitudes is 2/3, prove that the magnitude of the resultant is equal to either.

When the angle between two vectors of equal magnitudes is 2/3, prove t

1.	When the angle between two vectors of equal magnitudes is 2/3, prove that the magnitude of the resultant is equal to either.
Answer» <html><body><p></p>Solution :`R=(P^(2)+<a href="https://interviewquestions.tuteehub.com/tag/q-609558" style="font-weight:bold;" target="_blank" title="Click to know more about Q">Q</a>^(2)+2PQcostheta)^(1//2)=(p^(2)+p^(2)+<a href="https://interviewquestions.tuteehub.com/tag/2p-300467" style="font-weight:bold;" target="_blank" title="Click to know more about 2P">2P</a>.pcos""(<a href="https://interviewquestions.tuteehub.com/tag/2pi-1838601" style="font-weight:bold;" target="_blank" title="Click to know more about 2PI">2PI</a>)/(3))^(1//2)=[2p^(2)+2p^(2)((-1)/(2))]^(1//2)=p`</body></html>