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If the cubic  has two equal roots, then maximum value of  is



Question ID - 153747 | SaraNextGen Top Answer

If the cubic  has two equal roots, then maximum value of  is

1 Answer
127 votes
Answer Key / Explanation : (5) -

(5)

We have

Let the roots are

          (1)

       (2)

are           (3)

putting  from (1) in (2)

 or 1

If  then ; if  then

 or

127 votes


127