Complete the following activity to find the value of discriminant for quadratic equation 4×2 – 5x + 3 =0 About the author Sarah
Step-by-step explanation: What’s your doubt? 10th >Maths >Quadratic Equations >Solutions of Quadratic Equations >Solve the equation 4x^2 – 5… Maths Bookmark Solve the equation 4x 2 −5x−3=0. Medium share Share Video Explanation Solution To Question ID 728353 play-icon Answer Open in answr app Open_in_app We have given, 4x 2 −5x−3=0 We know that, x= 2a −b± b 2 −4ac Where, b=−5 a=4 c=−3 ∴x= 2(4) 5± (5) 2 −4(4)(−3) x= 8 5± 73 ∴x 1 = 8 5− 73 and x 2 = 8 5+ 73 verified_toppr Reply
Step-by-step explanation:
What’s your doubt?
10th
>Maths
>Quadratic Equations
>Solutions of Quadratic Equations
>Solve the equation 4x^2 – 5…
Maths
Bookmark
Solve the equation 4x
2
−5x−3=0.
Medium
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Video Explanation
Solution To Question ID 728353
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Answer
Open in answr app
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We have given,
4x
2
−5x−3=0
We know that,
x=
2a
−b±
b
2
−4ac
Where,
b=−5
a=4
c=−3
∴x=
2(4)
5±
(5)
2
−4(4)(−3)
x=
8
5±
73
∴x
1
=
8
5−
73
and x
2
=
8
5+
73
verified_toppr
Step-by-step explanation:
b^2-4ac = (-5)^2-(4*4*3) =25 – 48 = -23