EASY
10th West Bengal Board
IMPORTANT
Earn 100

If the roots of the equation x2-px+q=0 be α and β, then the value of 1α+1β is

50% studentsanswered this correctly

Important Questions on Quadratic Equation in One Variable

EASY
10th West Bengal Board
IMPORTANT
If one root of the equation 3x2-5x+c=0 is 2, the other root is 
EASY
10th West Bengal Board
IMPORTANT
The quadratic equation whose roots are 3 and -5 is
EASY
10th West Bengal Board
IMPORTANT
The condition for which the roots of the equation ax2+bx+c=0 are reciprocal to each other is
EASY
10th West Bengal Board
IMPORTANT
If one root of the equation 2x2+bx-24=0 is 4, then other root is
EASY
10th West Bengal Board
IMPORTANT
If the sum of the roots of the equation ax2-12x+5=0 is 3, the product of the roots will be
EASY
10th West Bengal Board
IMPORTANT
The value of k for which the roots of the equation 2x2+kx+k-3=0 are reciprocal to each other is
EASY
10th West Bengal Board
IMPORTANT
If both the roots of the equation (k-2)x2+(k-4)x+2k-8=0 are zero, then the value of k is
MEDIUM
10th West Bengal Board
IMPORTANT
If the expression x2-20x-a is a perfect square, then the value of a is