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CBSE Class 10 Answered

Find the roots of the quadratic equation 2x2 -x - 2 = 0 using the quadratic formula.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

The given quadratic equation is 2x2 -x - 2 = 0.

b2 - 4ac = 5 - 4 x 2 x (-2) = 21

The roots of the given equation are given as:

x = =

Thus, the roots of the given equation are

Answered by | 04 Jun, 2014, 03:23: PM
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