If vecP + vecQ = vecR and vecP - vecQ = vecS, then R^(2) + S^(2) is equal to

If vecP + vecQ = vecR and vecP - vecQ = vecS, then R^(2) + S^(2) is eq

1.	If vecP + vecQ = vecR and vecP - vecQ = vecS, then R^(2) + S^(2) is equal to
Answer» <html><body><p><<a href="https://interviewquestions.tuteehub.com/tag/p-588962" style="font-weight:bold;" target="_blank" title="Click to know more about P">P</a>>`P^(<a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a>) + <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)`<br/>`2(P^(2) - Q^(2))`<br/>`2(P^(2) + Q^(2))`<br/><a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> PQ</p>Answer :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html>