Question

Q1) Let p(x) = x2 – 5x + a and q(x)
= x2 – 3x + b, where a and b are
positive integers. Suppose hcf
(p(x),q(x)) = x – 1 and k(x) =
1cm(p(x), q(x)). If the coefficient
of the highest degree term of k(x)
is 1, the sum of the roots of (x - 1)
+ k(x) is (Mark: 4]
a) 4
b) 5
c) 6
d) 7​
please explain kr dena

Answer 1

Correct option (D) 7

Explanation: