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Solve the Equation –X2 + X – 2 = 0 - Mathematics

Solve the equation –x2 + x – 2 = 0

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Solution

The given quadratic equation is –x2 + – 2 = 0

On comparing the given equation with ax2 + bx + c = 0, we obtain

a = –1, b = 1, and c = –2

Therefore, the discriminant of the given equation is

D = b2 – 4ac = 12 – 4 × (–1) × (–2) = 1 – 8 = –7

Therefore, the required solutions are

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APPEARS IN

NCERT Class 11 Mathematics Textbook
Chapter 16 Probability
Q 4 | Page 109
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