if x 2 k 4x k 1 2 0 8 3k views asked May 3 2021 in Quadratic Equations by Eeshta 31 2k points closed May 5 2021 by Eeshta If x2 k 4x k 1 2 0 has equal roots then k A 2 3 1 2 3 1 B 2 3 1 2 3 1 C 3 2 1 3 3 2 1 3 D 3 2 1 3 3 2 1 3
On comparing x 2 4 x k k 2 k 2 0 with a x 2 b x c 0 We get a 1 b 4 k and c k 2 k 2 We have D 4 k 2 4 1 k 2 k 2 D 16 k 2 4 k 2 k 2 As the roots are equal D 0 We get 16 k 2 4 k 2 k 2 0 16 k 2 4 k 2 k 2 16 k 2 4 k 2 4 k 8 12 k 2 Solution Verified by Toppr The given equation is x2 k 4x k 1 2 0 x2 4kx k k 1 2 0 Here a 1 b 4k c k k 1 2 0 D b2 4ac 4k 2 4 1 k k 1 2 16k2 4k k 1 8 D 16k2 4k2 4k 8 D 12k2 4k 8 D 4 3k2 k 2 D 4 3k k 1 2 k 1 D 4 3k 2 k 1 The given equation will have equal
if x 2 k 4x k 1 2 0
if x 2 k 4x k 1 2 0
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Term 2 Find Values Of K For Which Quadratic Equation 3 2 3
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If X2 K 4x K 1 2 0 Has Equal Roots Then Find The Value Of K Brainly in
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Solution Verified by Toppr Given Equation 4x2 2 k 1 x k 1 0 has real and equal roots i e its discriminant is zero b2 4ac 0 For given equation a 4 b 2 k 1 c k 1 2 k 1 2 4 4 k 1 0 2k 2 2 16 k 1 0 4k2 8k 4 16k 16 0 4k2 8k 12 0 4 k2 2k 3 0 k2 2k 3 0 k2 3k k 3 0 k k 3 1 k 3 0 Algebra x2 4kx 2k 1 2 0 Similar Problems from Web Search 3x2 4x 22 0 tiger algebra drill 3x 2 4x 2 2 0 3x2 4x 22 0 Two solutions were found x 2 x 2 3 0 667 Step by step solution Step 1 Equation at the end of step 1 0 3 x2 4x 22 0 Step 2 Equation at the
Solution Verified by Toppr x2 4x k 0 is of the form ax2 bx c 0 where a 1 b 4 c k Roots are equal Discriminant 0 b2 4ac 0 4 2 4 1 k 0 16 4k 0 4k 16 k 16 4 4 Was this answer helpful 98 Similar Questions If the quadratic equation x2 4x k 0 has equal roots then find the value of k View Solution Plz explain the answer Share with your friends Share 0 Ankush Jain answered this Given equation is x 2 k 4x k 1 2 0 The above equation can be solved as x 2 4kx k k 1 2 0 x 2 4kx k 2 k 2 0 Now it is given that the both the roots of the equation are equal So let p be the roots of the given equation
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Answer Step by step video image solution for If x 2 k 4x k 1 2 0 has equal roots then k a 2 3 1 b 2 3 1 c 3 2 1 3 d 3 2 1 3 by Maths experts to help you in doubts scoring excellent marks in Class 10 exams Updated on 21 07 2023 Class 10MATHSQUADRATIC EQUATIONS Related Playlists Solve Download k 4 x2 k 1 x 1 0 Solve for k k x x 1 4x2 x 1 x 1 and x 0 View solution steps Solve for x complex solution x 2 k 4 k 5 k 3 k 1 x 2 k 4 k 5 k 3 k 1 x 31 k 4 k 4 Solve for x x 2 k 4 k 5 k 3 k 1 x 2 k 4 k 5 k 3 k 1 x 31 k 5 or k 4 and k 3 k 4
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if x 2 k 4x k 1 2 0 - Solution Verified by Toppr Given Equation 4x2 2 k 1 x k 1 0 has real and equal roots i e its discriminant is zero b2 4ac 0 For given equation a 4 b 2 k 1 c k 1 2 k 1 2 4 4 k 1 0 2k 2 2 16 k 1 0 4k2 8k 4 16k 16 0 4k2 8k 12 0 4 k2 2k 3 0 k2 2k 3 0 k2 3k k 3 0 k k 3 1 k 3 0