If, (a-b) = 4 and a x b = 2, then (a2+b2) = ?
(a) 20
(b) 18
(c) 25
(d) None
Answer Posted / kk
a-b = 4 or (a-b)*(a-b)= 16,
Now,Given a*b=2,then
a2-2ab+b2=16 or a2-4+b2=16 or a2+b2=16+4=20
| Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
Hi, i like to know the syllabus for RRB(Section Engineer- Electrical)? Whether the syllabus will be same for every RRB exam conducted in any state.I am Electrical engineer send me syllabus & previous question papers
i want railway exam paper.
Please send RRB Ticket Examiner/ Ticket Collector previous years question papers to sek2007_it@yahoo.com
sir this is nagesh iam a physically challenged person i had applyed to accounts officer cum typist and commercial cleark i have no knowledge of rrb exams.so kindly please send privious non technical model papers
plz sir railway group d qstion paper oractice set
Hi . Please send me Model papers for RRB-Assistant station master to prati.748@gmail.com
how do i prepare for the upcoming exam for physiotherapist in rrbi and plz send previous question paper for this post
sir i am doing mca what type of jobs there in railway
asst-loco master
sir/mam I'm student of M.C.A.Is there any special rrb exam for P.G students.if exists what is it.
who administers the oath to the cheif justice of india?
how to become m.r o?
I have completed my BBA degree from sikkim manipal university. now I am looking for a Bank job in rrb or sbi. but I have only 22 marks in secondary level. so am I eligible for bank exam? Please guide me.
i need previous year questions for section engineer(S&T) for electronics engineer. please send some sample questions to my mail id deepaselvarengan@gmail.com Thanks in advance !
Sir, please send me rrb technician 3 electrician model questions in email id: anand.jsr01@gmail.com.