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Solve the following quadratic equation using formula method only - Mathematics

Sum

Solve the following quadratic equation using formula method only 

`3"x"^2 - 5"x" + 25/12 = 0 `

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Solution

`3"x"^2 - 5"x" + 25/12 = 0 `

a = 3 ; b = -5 ; c = `25/12`

D = b2 - 4ac

= `(-5)^ 2 - 4(3)(25/12)`

= 25 - 25

= 0

x = `(- "b" ± sqrt ("b"^2 - 4 "ac"))/(2a)`

x = `(-(-5) +- 0)/6`

x = `5/6`

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APPEARS IN

Frank ICSE Class 10 Mathematics Part 2
Chapter 6 Quadratic Equations
Exercise 6.2 | Q 3.07
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