Q. 11 A4.5( 2 Votes )

# Find the values of k, for which the given equation has real roots:2x2 — 10x + k = 0

Roots are equal

d = 0

d = b2 – 4ac

d = (–10)2 – 4 (2) (k)

d = 100 – 8k

Put d = 0

0 = 100 – 8k

8k = 100

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