CBSE Class 11-science Answered
find the value of k for which the inequality x^2-2(4k-1)x+15k^2-2k-7>=0,for all x
Asked by Aravindh Nandha Raj s | 03 Jun, 2013, 05:37: PM
Expert Answer
Given is a quadratic xpression which is greater than equal to 0, thus, D = b^2-4ac <0
(2(4k-1))^2 - 4(15k^2-2k-7)<0
k^2-6k+8<0
(k-2)(k-4)<0
Thus, 2<k<4
or, k=3
Answered by | 08 Jun, 2013, 10:49: PM
Concept Videos
-
Binomial Theorem for Positive Index
This video covers examples and concepts related to Binomial Theorem for the... -
General Term in Binomial Expansion
This video explains the General term of Binomial Theorem for non negative i... -
Binomial Theorem for Positive Index
This video covers examples and concepts related to Binomial Theorem for the... -
General term in Binomial expansion ...
This video covers concepts related to General term of Binomial Theorem for ... -
Quick revision on Binomial theorem for positive index ...
State the Binomial Theorem for the positive Index and explore properties of...
CBSE 11-science - Maths
Asked by dseno1741 | 29 Mar, 2024, 08:47: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by Manjeet | 23 Mar, 2024, 09:41: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by urvithakur013 | 07 Feb, 2024, 08:56: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by pjthanukeerthy | 10 Dec, 2023, 07:02: AM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by gdeadshot85 | 12 Jan, 2023, 10:32: AM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by srp.sumukh | 26 Dec, 2020, 03:34: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by sailaxmareddy123 | 23 Aug, 2020, 10:38: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by poonambarnwal2018 | 23 Apr, 2020, 02:49: PM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by gaveshjain355 | 04 Apr, 2020, 11:35: AM
ANSWERED BY EXPERTCBSE 11-science - Maths
Asked by Jaibir642 | 10 Sep, 2019, 07:58: PM
ANSWERED BY EXPERT
