Home
Class 10
MATHS
If the roots of equations x^(2) - mx+ ...

If the roots of equations `x^(2) - mx+ 16=0 ` are equal then the value of m is:

A

` +-4`

B

` +- 16`

C

` +-2`

D

` +-8`

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    OSWAAL PUBLICATION|Exercise Topic -3 Nature of the Roots and Discriminants (VERY SHORT ANSWER TYPE QUESTIONS ) |5 Videos

  • QUADRATIC EQUATIONS

    OSWAAL PUBLICATION|Exercise Topic -3 Nature of the Roots and Discriminants (SHORT ANSWER TYPE QUESTIONS ) |16 Videos

  • QUADRATIC EQUATIONS

    OSWAAL PUBLICATION|Exercise TOPIC -2 Relation between Roots and its Coefficients and Formation of Equations( LONG ANSWER TYPE QUESTIONS-II) |3 Videos

  • PROBABILITY

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER (EXERCISE 14.2)|4 Videos

  • REAL NUMBERS

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER ( EXERCISE 8.4 )|12 Videos

Similar Questions

Explore conceptually related problems

If the roots of the quadratic equations mx^(2) =6x + 1 are equal , then the value of m is

If the roots of the quadratic equations x^(2) +4x +c=0 are equal then the value of c is:

If m and n are roots of equations 2x^(2) - 6x +1=0 , then the value of m^(2) n+ mn ^(2) is:

Let alpha, beta be the roots of the equation x^(2) - px + r = 0 and (alpha)/(2) , 2 beta be the roots of the equation x^(2) - qx + r = 0 . Then the value of r is :

If a and b are the roots of the equations x^(2) - 5x+ 7 =0 , then value of ab( a+b) is :

If m and n are the roots of the quadratic equations x^(2)- 6x+ 2 =0 , then the value of (m+ n )^(2) is

If m and n are the roots of the equations x^(2) - 6x+ 2 =0 then the value of (1)/(m) + (1)/( n) is :

If m and n are the roots of the equations x^(2) -3x +4 =0 then find the value of m^(2)n+mn^(2)

The non-trival values of (a,b) such that roots of the equation x^(2) + ax + b = 0 are equal to a and b are :

If m and n are the roots of the equations 2x^(2)- 4x + 1=0 Find the value of (m+n) ^(2) +4mn.