Let `a , b` and be the roots of the equation `x^2-10 xc -11d =0` and those roots of c and d of `x^2-10 a x-11 b=0 ,dot` then find the value of `a+b+c+d

The roots of the equation (b-c)x^(2)+(c-a)x+(a-b)=0

If 19x^2 = 100^2 - 90^2 , then find the value of x A. 10 B. 9 C. 11 D. 12

x=2/3 and x = − 3 are the roots of the equation ax^2 + 7 x + b = 0 , find the values of a a n d b .

Let a,b,c,d be distinct real numbers and a and b are the roots of the quadratic equation x^(2)-2cx-5d=0. If c and d are the roots of the quadratic equation x^(2)-2ax-5b=0 then find the numerical value of a+b+c+d

If c and d are roots of the equation (x-a) (x-b) - k = 0, then a, b are roots of the equation