please solve 18 question
Attachments:
Answers
Answered by
1
Given the quadratic expression is positive and it's discriminant should be negative
D<0
D= a²-4(1-2a²)<0
9a²-4<0
(3a-2)(3a+2)<0
hence using wavy curvy method
a€(-2/3,2/3)
D<0
D= a²-4(1-2a²)<0
9a²-4<0
(3a-2)(3a+2)<0
hence using wavy curvy method
a€(-2/3,2/3)
Attachments:
mailapallijagap9vy3e:
hellow sir can l know that your a student or a any tacher
teacher
Student
which standard bro
just to know that . i want a maths guid to prepare for jee mains. so that so you may help me this.
10th
Similar questions