CBSE Class 10 Answered
Find all the integers a such that
(x-a)(x-12)+2
can be factored as (x+b)(x+c) where b and c are integers.
Asked by vikasg13.hardware | 07 Aug, 2018, 17:40: PM
Expert Answer
(x - a)(x - 12) + 2
= x2 - 12x - ax + 12a + 2
= x2 - (12 + a)x + 12a + 2
Discriminant D = a2 - 24a + 136
If a = 9 then x = 10 or 11
If a = 15 then x = 13 or 14
a = 9 will give you x2 - 21x + 110 = (x - 10)(x - 11)
a = 15 will give you x2 - 27x + 182 = (x - 13)(x - 14)
Answered by Sneha shidid | 08 Aug, 2018, 10:32: AM
Application Videos
-
Root of the Quadratic Equation
The video explains to find the value of an unknown when one root of a qu...
-
Factorisation Method - 1
This video explains the concept of Factorisation Method to find the roots o...
Concept Videos
-
Quadratic Equations
Quadratic Equations, Solution of Quadratic Equations by Factorisation
CBSE 10 - Maths
Asked by ayushuttam242 | 29 Jun, 2024, 06:50: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by shreyarastogi021 | 11 Jun, 2024, 21:51: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by biswajitgope404 | 09 May, 2024, 21:30: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by harshitpranjalraj24 | 03 Jun, 2022, 21:33: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by s.kmounesha | 23 May, 2022, 14:35: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by karramrudula | 22 Mar, 2022, 11:20: AM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by amdavadiamdavad | 05 Apr, 2021, 20:57: PM
ANSWERED BY EXPERTCBSE 10 - Maths
Asked by kavithavadla002 | 27 Aug, 2020, 11:02: AM
ANSWERED BY EXPERT
