Mathematics
The nature of the roots of the equation, 3x2 - + 4 = 0 is:
real and equal
irrational and unequal
rational and unequal
imaginary and unequal
Quadratic Equations
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Answer
Comparing 3x2 - + 4 = 0 with ax2 + bx + c = 0 we get,
a = 3, b = - and c = 4.
We know that,
⇒ D = b2 - 4ac
⇒ D = (-)2 - 4(3)(4)
⇒ D = 16(3) - 48
⇒ D = 48 - 48
⇒ D = 0.
Thus, roots are real and equal.
Hence, option 1 is the correct option.
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