Solve:
Asked by Anish
30th July 2018,
9:34 PM
Answered by Expert
Answer:
Let f(x) = 2x2 - 2(2a + 1)x + a(a + 1)
f(a) = 2a2 - 2(2a + 1)a + a(a + 1)
= 2a2 - 4a2 - 2a + a2 + a
= -a2 - a < 0
-a ( a + 1) < 0
a(a + 1) > 0
Answered by Expert
31st July 2018,
10:29 AM
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