Advertisements
Advertisements
प्रश्न
The roots of the equation `ax^2+bx+c=0` will be reciprocal each other if
(a)a=b (b)b=c (c)=a (d)= none of these
उत्तर
(c) c = a
Let the roots of the equation `(ax^2+bx+c) be α and 1/α`
∴ Product of the roots =`αxx1/α=1`
⇒ `c/a=1`
⇒` c=a`
APPEARS IN
संबंधित प्रश्न
Find the solution of the quadratic equation `3sqrt3x^2+10x+sqrt3=0`
If the quadratic equation `px^2-2sqrt5px+15=0` has two equal roots then find the value of p.
Solve `3x^2+5sqrt5x-10=0`
Solve `x^2+5x-(a^2+a-6)=0`
Solve for x: `3x^2-2sqrt6x+2=0`
Write the following equations in the form ax2 + bx + c= 0, then write the values of a, b, c for each equation.
p(3+6p) = –5
Choose the correct answer for the following question.
For \[\sqrt{2} x^2 - 5x + \sqrt{2} = 0\] find the value of the discriminant.
Choose the correct answer for the following question.
Which of the following quadratic equations has roots 3,5?
Write the quadratic equation 7 = 4x - x2 in the form of ax2+bx + c = 0.
Find the value of k for which the quadratic equation kx (x − 2) + 6 = 0 has two equal roots.
