If a,b,c are the sides of a Δ ABC such that x²-2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then,

a) K <4/3

b) K>5/3

c) K ε ( 4/3,5/3)

Question

If a,b,c are the sides of a &Delta; ABC such that x 2 -2(a+b+c)x +3&Kappa;(ab+bc+ac)=0 has real roots then, a) K <4/3 b) K>5/3 c) K &epsilon; ( 4/3,5/3)

saket shrivastava · Answer

the ans is k<2/3

let a=b=c

option a==> let k=1 (<4/3),, the d=B²-4AC<0 not real

option b ===> let k=2 (>5/3) again d<0

option c ====> let k= 3/2 (={4/3+5/3}/2) again d<0

check options pls and approve

Thank you for registering.

Register Now and Win Upto 25% Scholorship for a Full Academic Year !

Enter Your Details

Registration done!

If a,b,c are the sides of a Δ ABC such that x 2 -2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then, a) K b) K>5/3 c) K ε ( 4/3,5/3)

If a,b,c are the sides of a Δ ABC such that x²-2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then,

a) K <4/3

b) K>5/3

c) K ε ( 4/3,5/3)

1 Answers

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Algebra

ASK QUESTION

Answer and earn gift vouchers

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Complete Self Study Package designed by Industry Leading Experts

Live 1-1 coding classes to unleash the Creator in your Child

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Register Now & Win Upto 25% Scholorship

Thank you for registering.

Register Now and Win Upto 25% Scholorship for a Full Academic Year !

Enter Your Details

Registration done!

If a,b,c are the sides of a Δ ABC such that x 2 -2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then, a) K b) K>5/3 c) K ε ( 4/3,5/3)

If a,b,c are the sides of a Δ ABC such that x2-2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then, a) K <4/3 b) K>5/3 c) K ε ( 4/3,5/3)

1 Answers

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

Other Related Questions on Algebra

ASK QUESTION

Answer and earn gift vouchers

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Complete Self Study Package designed by Industry Leading Experts

Live 1-1 coding classes to unleash the Creator in your Child

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Register Now & Win Upto 25% Scholorship

If a,b,c are the sides of a Δ ABC such that x²-2(a+b+c)x +3Κ(ab+bc+ac)=0 has real roots then,

a) K <4/3

b) K>5/3

c) K ε ( 4/3,5/3)