Please wait...

NDA - Quadratic Equation Test 1184
Menu grid icon
Result Result point icon
NDA - Quadratic Equation Test 1184
  • Goals icon

    /

    Score
  • Trophy icon

    -

    Rank
White alarm icon Time Taken: -
Result frame illustration
  • Question 1/5
    1 / -0.33
    The products of the roots of the equation , is
    Solutions

    We have,

    Hence products of roots .

    Correct option is C.

  • Question 2/5
    1 / -0.33
    If equation  and  have both roots common then find the value of  ?
    Solutions

     Given

    ⇒ ………………………………(1)

    Also

    ⇒ ………………….(2)

    Since (1) and (2) have both roots common

    ⇒

    ⇒

  • Question 3/5
    1 / -0.33
    Let ‘a’ & ‘b’ be the roots  with a>b . If  for  then the value of
    Solutions

    If a’ & ‘b’ be the roots

    So  and

    ⇒  and

    Now

  • Question 4/5
    1 / -0.33
    The sum of all real roots of the equation  is
    Solutions

    Let

    ⇒

    ⇒

    ⇒

    ⇒

    So ( not possible)

    ⇒

    ⇒

    ⇒

    So sum of roots = 2+4 =6

  • Question 5/5
    1 / -0.33
    The equation  has roots α,β then equation  has roots
    Solutions

    The equation  has two roots α and β

    Product of roots =

    So, the equation is

    Hence the roots of given equation is

Close button icon
User Profile
-

Correct (-)

Wrong (-)

Skipped (-)

  • 1
  • 2
  • 3
  • 4
  • 5
Mockers logo Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Arrow pointer icon
Click on Allow to receive notifications
Notification bell icon ×
Open Now