help@askiitians.com

+91-87964 74404

Discuss with colleagues and IITians

If a and b are rational and p ,q are the roots of x^2+2ax+b=0 ,then the equation with rational coefficient one of whose roots is p+q+^√p^2+q^2 is

Suraj Kumar

6 Years agoGrade

1 Answer

Arun

6 Years ago

Dear student

p + q = – 2a

pq = b

let Y = p+q+√p^2+q^2

(Y + 2a)^2 = (p + q)^2 – 2 pq = 4 p^2 – 2b

Y^2 + 4ay + 2b = 0

hence

x^2 + 4ax + 2b = 0

Are core branches(Mechanical) in Top 3 NIT worth it ?

discuss with colleagues and iitians

1 Answer Available

Last Activity: 3 Years ago

My rank in JEE Advanced 2022 is 1871. Should I go for IIT Guwahati ECE or IIT Kanpur Mechanical and try for a branch change to CS or Electrical Engineering? Is changing your branch very difficult?

discuss with colleagues and iitians

1 Answer Available

Last Activity: 3 Years ago

Can i sacrifice board exams for jee mains as board exams are no where valueable as cuet and other will be seen for admission

discuss with colleagues and iitians

1 Answer Available

Last Activity: 4 Years ago

Is a student studying in IGCSE syllabus eligible for taking IOQP or IOQJS?

discuss with colleagues and iitians

1 Answer Available

Last Activity: 4 Years ago

I have wasted my 11th? Is it still possible to get into my dream iit? Do i have to cover 11 th syllabus first? When and how can i finish it?

discuss with colleagues and iitians

1 Answer Available

Last Activity: 4 Years ago

View all Questions