Request a call back

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

CBSE Class 10 Answered

If 3 is one of the root of the quadratic equation kx^2 -7x + 12=0, then k = _______. (A)1 (B) -1 (C) 3 (D) -3
Asked by jayeshsah1995 | 13 Mar, 2024, 04:49: PM
answered-by-expert Expert Answer

x = 3 will satisfy kx2 - 7x + 12 = 0

hence,

9k - 21 + 12 = 0

k = 1

Answered by Arun | 13 Mar, 2024, 04:55: PM
CBSE 10 - Maths
Asked by burlaharshith64 | 12 Jun, 2024, 05:23: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by boralpritam188 | 12 Jun, 2024, 03:04: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by pritamedu1997 | 12 Jun, 2024, 01:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by shreyarastogi021 | 11 Jun, 2024, 09:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by tanishkagurung | 11 Jun, 2024, 11:38: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by lp9128437598 | 10 Jun, 2024, 10:34: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by avni3737 | 07 Jun, 2024, 07:46: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by snehabhure2809 | 06 Jun, 2024, 09:49: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by chahatchahat34483 | 06 Jun, 2024, 09:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×