Math, asked by StarTbia, 11 months ago

2. Solve the following quadratic equations using quadratic formula

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Answered by deekshapandey
0
this is your answer i hope u understand
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Answered by TANU81
9
Hi there !!

15 {x}^{2} - 11x + 2 = 0 \\ \\ a = 15 \\ \\ b = - 11 \\ \\ c = 2 \\ \\ now \:
D= b²-4ac

D = (-11)² - 4(15)(2)

D = 121 - 120

D = 1 ( roots r real )

We get ,

X = -b ± √D / 2a

X = -(-11) +1 /30

x= 11 +1/30

x =331/30

In another case , x = -11+1/30

so x =-330/30

x=-11

Thanks !
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