Mathematics questions
18011 published questions with worked solutions.
- If roots of the equation (a-b)x^2+(c-a)x+(b-c)=0 are equal, then a,b,c are in
- If the roots of the equation (p^2+q^2 )x^2-2q(p+r)x+ (q^2+r^2 )=0 be real and equal, then p,q,r will be in
- If (x+1) is a factor of x^4-(p-3)x^3-(3p-5)x^2+(2p-7)x+6, then the value of p is
- The harmonic mean of the roots of the equation (5+ 2 )x^2- (4+ 5 )x+8+2 5=0 is
- x+ x=y^2-y+a has no value of x for any y, if a' belongs toNot in JEE Main syllabus
- If the equation ax^2+2bx-3c=0 has non-real roots and 3c 4<a+b, then c is
- The roots of the equation 2^ x+2 3^ 3x x-1 =9 are given by
- In the equation a_4x^4+a_3x^3+a_2x^2+a_1x+a_0=0 roots of the equation are _i, i=1,2,3,4. Now, x is replaced by x-1, now roots of...
- In writing an equation of the form ax^2+bx+c=0; the coefficient of x is written incorrectly and roots are found to be equal....
- If a root of the equation ax^2+bx+c=0 be reciprocal of a root of the equation a'x^2+b'x+c'=0, then
- If , , are the roots of the equation x^3-7x+7=0, then 1 ^4 + 1 ^4 + 1 ^4 is
- Rational roots of the equation 2x^4+x^3-11x^2+x+2=0 are
- The value of a for which the equations x^3+ax+1=0 and x^4+ax^2+1=0 have a common root, is
- If , and are the roots of the equation x^3-3x+1=0, then [ ]+[ ]+[ ] is ([ ] denotes the greatest integer function)
- If 2 ^2 8 is a root of the equation x^2+ax+b=0, where a and b are rational numbers, then a-b is equal to
- Consider the following statements: 1. The equation x^2-cx+d=0 and x^2-ax+b=0 have common root and second equation has equal roots...
- If and are the roots of x^2-x-1=0 and A_n= ^n+ ^n, then AM of A_ n-1 and A_n is
- The number of real roots of the equation e^ x -e^ - x -4=0 are
- The number of real roots of 3^ 2x^2-7x+7 =9 is
- For what value of the sum of the squares of the roots of x^2+(2+ )x- 12(1+ )=0 is minimum?