Question

71. Find the nature of roots of 3x² +6x+5=0 VV (a) Real and distinct (b) real and equal (c) ima Find the ruke if the regland neanal te of B2121

JEE/Engineering Exams

Maths

Solution

4.0 (1 ratings)

Natwe of 800 ts [ begin{array}{l}3 x^{2}+6 x+5=0 x=frac{-b pm sqrt{b^{2}-4 a c}}{2 a} =frac{-6 pm sqrt{36-4 cdot 5 cdot 3}}{2: 3} =frac{-6 pm sqrt{36-60}}{6} =frac{-6 pm sqrt{-24}}{6} cdot frac{6 pm sqrt{24}}{6}end{array} ]