1.

If x + y = 3, x² + y² = 5 then xy =​

Answer» <html><body><p><strong><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a>:</strong></p><p>xy=2</p><p><strong>Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>x+y=3</p><p>(x+y)^2=3^2</p><p>x^2+y^2+2xy=9</p><p>5+2xy=9</p><p>2xy=4</p><p>xy=2</p><p></p><p></p><p></p></body></html>


Discussion

No Comment Found

Related InterviewSolutions