Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If ab > 0 and 3a + 5b + 15 c = 0 then which of the following statement is “ INCORRECT”?
Text Solution
Verified by ExpertsThe correct answer is:
D
Let f(x) = 
+ cx then f(1) = 0, f( – 1) = 0, f(0) = 0
⇒ there exist atleast one root of equation ax 4 + bx 2 + c = 0 in ( – 1,0) and there exist atleast one root of equation f ’ (x) = 0 in (0,1)
⇒ there exist atleast one root of equation ax 4 + bx 2 + c = 0 in ( – 1,0) and there exist atleast one root of equation f ’ (x) = 0 in (0,1)
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