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Find the roots of the quadratic equation 2x2 -x - 2 = 0 using thequadratic formula.

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by 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 Expert 4th June 2014, 3:23 PM
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