CBSE Class 10 Answered
If the roots of the quadratic equation ax2 +bx + c are sin α and cos α, then
a2 + b2 = c2
a2 - 2bc = b2
b2 + 2ac = a2
b2 - 2ac = a2
Asked by miniprasad | 21 Sep, 2018, 07:31: PM
Expert Answer
ax2 +bx + c = 0
According to the question,
sin α + cos α = -b/a and sin α cos α = c/a
using
(sin α + cos α)2 = b2 / a2
sin2 α + cos2 α + 2sinα cosα = b2 / a2
1 + 2c/a = b2 / a2
solving it further we get
b2 - 2ac = a2
Answered by Sneha shidid | 25 Sep, 2018, 11:18: AM
Application Videos
Concept Videos
CBSE 10 - Maths
Asked by dagardisha39 | 28 Apr, 2024, 12:58: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by raopaidi | 25 Apr, 2024, 04:06: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by aditikaldate7 | 21 Apr, 2024, 03:16: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by pathaksuman622 | 21 Apr, 2024, 11:56: AM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by yalagondanikhil | 16 Apr, 2024, 12:25: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by rrajansinghakb199 | 08 Apr, 2024, 05:12: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by nagalaxmidurgarao937 | 08 Apr, 2024, 01:42: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by mraniruddha03 | 02 Apr, 2024, 06:44: PM
ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by muttenenimalleswarrao | 29 Mar, 2024, 08:32: PM
ANSWERED BY EXPERT