Mathematics questions
18011 published questions with worked solutions.
- If the expression (mx-1+ 1x ) is always non-negative, then the minimum value of m must be
- If the roots of the equation x- + x- =1 be equal in magnitude but opposite in sign, then + is equal to
- If and be the roots of the equation x^2+x + =0, then
- and are the roots of the equation x^2+ax+b=0, then the value of ^2( + )+a ( + ) ( + )+b ^2( + ) is equal to
- Let f(x)=x^2+ax+b; a,b R. If f(1)+f(2)+f(3)=0, then the roots of the equation f(x)=0
- The least value of |a| for which and are roots of the equation x^2+ax+1=0, is
- If x^2+px+1 is a factor of the expression ax^3+bx+c, then
- If x^2+2x+2xy+my-3 has two rational factors, then the values of m will be
- If and are the roots of ax^2+bx+c=0, then the equation ax^2-bx(x-1)+c(x-1)^2=0 has roots
- If the equation ax^2+2bx+3c=0 and 3x^2+8x+15=0 have a common root, where a,b,c are the lengths of the sides of a ABC, then ^2A+...
- The values of x satisfying |x-4|+|x-9|=5 is
- Number of real roots of the equation (6-x)^4+(8-x)^4=16 is
- Two students while solving a quadratic equation in x, one copied the constant term incorrectly and got the roots 3 and 2. The...
- One lies between the roots of the equation -x^2+ax+a=0, a R if and only if a lies in the interval
- If x^2+2ax+b c, x R, then
- If the roots of the equation x^2-2ax+a^2+a-3=0 are real and less than 3, then
- Suppose the quadratic equations x^2+px+q=0 and x^2+rx+s=0 are such that p,q,r,s are real and pr=2(q+s). Then
- If the roots of (a^2+b^2 )x^2-2(bc+ad)x+c^2+d^2=0 are equal, then
- If one root of the equation x^2- x+12=0 is even prime while x^2+ x+ =0 has equal roots, then is
- If the equation x^2+9y^2-4x+3=0 is satisfied values of x and y, then