If a, b, c be Non-zero Real Numbers Such That                                                                          Then The Equation ax2 + bx + c = 0 Will Have

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Question

If abc be non-zero real numbers such that  

                                                                      

Then the equation ax2 + bx + c = 0 will have

Solution

Correct option is

One root between 0 and 1 and other root between 1 and 2

Consider the function Ï• (x) given by  

                               

  

We observe that  

             

              

  

∴ 0, 1 and 2 are the roots of    

By Rolle’s Theorem  will have at least one real root between 0 and 1 and at least one real root between 1 and 2.

SIMILAR QUESTIONS

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Q2

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Q3

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Q5

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Q6

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Q7

If the relation between subnormal SN and subtangent ST at any point S on the curve; by2 = (x + a)3 is p(SN) = q(ST)2, then find the value of p/q. 

Q8

 in which interval

Q9

If f (x) = xα log x and f (0) = 0, then the value of ‘α’ for which Rolle’s theorem can be applied in [0, 1] is:

Q10

 

Find c of the Lagrange’s mean value theorem for which