15 The number of real roots of the ...
Question
Fullscreen

15 The number of real roots of the equation | x2 – 3 x 1 + 2 = 0 is (A) 1 (B) 2 (C) 3 (D) 4

JEE/Engineering Exams
Maths
Solution
137
Rating
4.0 (1 ratings)
Fullscreen

-x2-3x+2=0     (x is positive) x=+3±9-82 =3±12 x=3+12 & 3-12 x=2, 1  No. of real roots of given eq. is 2 option (b) is correct 

Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free