If range of a for which equation (x2+x+2)2−(a−3)(x2+x+2)(x2+x+1)+( – InterviewSolution

1.	If range of a for which equation (x2+x+2)2−(a−3)(x2+x+2)(x2+x+1)+(a−4)(x2+x+1)2=0 has atleast one real root is (p,qr], then p+q+r is
Answer» If range of $a$ for which equation $(x^{2} + x + 2)^{2} - (a - 3) (x^{2} + x + 2) (x^{2} + x + 1) + (a - 4) (x^{2} + x + 1)^{2} = 0$ has atleast one real root is $(p, \frac{q}{r}]$ , then $p + q + r$ is

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