Q2 of 168 Page 7

Examine whether the following quadratic equations have real roots or not:

x2 — 10x + 2 = 0

TO CHECK REAL ROOTS, ‘d' SHOULD BE GREATER THAN 0.


d = b2 – 4ac


d = (–10)2 – 4 (1) (2)


d = 100 – 8


d = 92


Yes, roots are real.


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