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प्रश्न
Solve the following quadratic equation using formula method only
6x2 + 7x - 10 = 0
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उत्तर
6x2 + 7x - 10 = 0
a = 6 ; b = 7 ; c = -10
D = b2 - 4ac
= (7)2 - 4(6)(-10)
= 49 + 240
= 289
x = `(- "b" ± sqrt ("b"^2 - 4 "ac"))/(2a)`
x = `(-7 +- sqrt 289)/12`
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