If `x^4+1/(x^4)=623 ,` then `x+1/x=?` (a)27 (b) 25 (c) `3sqrt(3)` (d) `-3sqrt(3)`
4,275 views · Published 22 June 2018 · 2:38 · Indexed 26 September 2026
Channel: Doubtnut · 2018 · Education
This is the Solution of Question From RD SHARMA book of CLASS 9 CHAPTER POLYNOMIALS This Question is also available in R S AGGARWAL book of CLASS 9 You can Find Solution of All Question From RD SHARMA and R S AGGARWAL book from class 6-12 on our app DOUBTNUT for Free #rdsharmasolution #POLYNOMIALS #rdsharmaclass9 #class9 #cbse #rdsharma #doubtnut ==== QUESTION TEXT ==== If `x^4+1/(x^4)=623 ,` then `x+1/x=?` (a)27 (b) 25 (c) `3sqrt(3)` (d) `-3sqrt(3)` === DOWNLOAD DOUBTNUT TO ASK ANY MATH QUESTION === https://doubtnut.app.link/Fulh80OOlP ==== SCORE 100% WITH DOUBTNUT ==== Doubtnut App has video solutions of ALL the NCERT questions from Class 6 to 12 (including IIT JEE). You can also ask any Math question and get a video solution for FREE from a library of more than 1 Lakh Math Videos ==== FOLLOW US ON FACEBOOK ==== Doubtnut PAGE: https://www.facebook.com/doubtnut DOUBTNUT IIT JEE Group: https://www.facebook.com/groups/251747588948573 ==== WATCH DAILY LIVE CLASSES ON YOUTUBE ==== 5:30 PM - Class 9 6:30 PM - Class 10 7:15 PM - Class 11 8:15 PM - Class 12 9:15 PM - Class 13 (DROPPERS)
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