Q. Evaluate 1 . x 2 + 4 - 21 + x 2 - x - 6 · 6 x 2 - 5 x - 39 2 . 1 x + 1 + 1 x + 5 + 1 x + 2 + 1 x + 4 3 . F i n d t h e c o n d i t i o n t h a t t h e r o o t s o f e q u a t i o n a x 2 + b x + c = 0 a r e i n t h e r a t i o p / q . Share with your friends Share 0 Rambaboo Khatana answered this 1 View Full Answer Priyanshu answered this kyu karo 0 Tanmay answered this Pls someone answer 1