Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 10 Answered

4a
Asked by rdk_kulkarni | 07 Sep, 2020, 05:11: PM
Expert Answer
x = 2 is one root of the equation (k-3)x2 - kx - 8 = 0 ... (i)
Therefore x=2 satisfies (i)
(k-3)22 - 2k - 8 = 0
4k - 12 - 2k - 8 = 0
2k - 20 = 0
k = 10
The equation becomes 7x2 - 10x - 8 = 0
Sum of the roots = 10/7
Other root = 10/7 - 2 = -4/7
Answered by Renu Varma | 08 Sep, 2020, 10:39: AM

Concept Videos

ICSE 10 - Maths
Asked by mohitmore008 | 31 Jul, 2022, 11:42: AM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by sefalikumari.yadav | 22 Jun, 2022, 05:32: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by sushenmahato74 | 20 Jun, 2022, 07:43: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by akshathasapphireservices | 10 Jul, 2021, 05:59: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by pruthaveshmenesj01052 | 06 Jun, 2021, 09:42: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by mohantyhoney9 | 26 May, 2021, 10:43: AM
ANSWERED BY EXPERT
ICSE 10 - Maths
4a
Asked by rdk_kulkarni | 07 Sep, 2020, 05:11: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by teacher_yourschool | 09 Jun, 2020, 01:13: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by deepvishal771 | 21 May, 2020, 06:21: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Asked by jatinder324 | 18 May, 2020, 03:32: AM
ANSWERED BY EXPERT

Start your hassle free Education Franchisee and grow your business!

Know more
×