IIT JEE COMPLEX NUMBERS AND QUADRATIC EQUATIONS If `x ,y in R` satify the equation `x^2+y^2-4x-2...

95 views · Published 21 September 2017 · 2:59 · Indexed 1 November 2026

Channel: Doubtnut · 2017 · Education

Watch on YouTube

This is the Solution of question from Cengage Publication Math Book Algebra Chapter 6 COMPLEX NUMBERS AND QUADRATIC EQUATIONS written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/MJn7AYrDxR

If `x ,y in R`
satify the equation `x^2+y^2-4x-2y+5=0,`
then the value of the expression
`[(sqrt(x)-sqrt(y))^2+sqrt(x y)]//(x+4sqrt(x y))`
is 
`sqrt(2)+1`
b. `(sqrt(2)+1)/2`
c. `(sqrt(2)-1)/2`
d. `(sqrt(2)+1)/(sqrt(2))`

==== SCORE 100% WITH DOUBTNUT ====

Doubtnut ऍप पर आप कक्षा ६ से १२ (IIT JEE तक) के NCERT and IIT JEE Mains & Advanced के मैथ/गणित के सभी सवालों के वीडियो देखिये और मुफ्त में खोजिये किसी भी गणित सवाल का जवाब - १ लाख से भी ज़्यादा सवालों के जवाब हैं Doubtnut ऍप पर.

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.

#jeemains2019 #iitjeemaths #cengage #cengagemaths #cengagesolution #jeemains.

==== FOLLOW US ON====

Website : www.doubtnut.com

Doubtnut PAGE: https://www.facebook.com/doubtnut

DOUBTNUT IIT JEE Group: https://www.facebook.com/groups/251747588948573

More from this channel