Question

The set of values of 'X' satisfying (x^2- x - 1)
(x^2- X - 7) <-5 is (a, b) u (c,d) then a + b +c +d
is equal to
(1) Zero
(2) 1
(3) 2
(4) 4

Answer 1

Answer:

If the solution of the inequality (x^2 - x - 1)(x^2 - x - 7) <- 5 is x in (alpha,beta) uu ( gamma,delta) then find the value

Answer 2

Answer:

the answer is (3) 2.. this is the correct answer