• 072920 77839
  • info@smartachievers.in
Menu
Back
  • JEE ADVANCE
  • JEE MAIN
  • NEET
  • BITSAT
  • CBSE BOARD
  • UP BOARD
  • CUET
JEE ADVANCE
  • CLASS XI - XII
  • CRASH COURSE
CRASH COURSE
JEE MAIN
  • CLASS XI - XII
  • CRASH COURSE
CRASH COURSE
NEET
  • CLASS XI - XII
  • CRASH COURSE
BITSAT
  • CLASS XI - XII
CBSE BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
  • CLASS VI
  • CLASS VII
  • CLASS VIII
UP BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
CUET
  • CRASH COURSE
Courses


Solution


Q.

The zeros of the quadratic polynomial 2x² – 3x – 9 are:
1 3, –3/2  
2 –3, –3/2  
3 –3, 3/2  
4 3, 3/2  

Ans.

(1)

Given quadratic polynomial is 2x² – 3x – 9.

For zeros, we have 2x² – 3x – 9 = 0 ⇒ 2x² – 6x + 3x – 9 = 0 ⇒ (x – 3)(2x + 3) = 0

⇒ x = 3 or x = –3/2