Question
If both the equations I and II given below are added,
then find the product of roots of newly formed equation. I: 3x2 + 9x + 5 II: x2 – x = 0Solution
After adding equations I and II, we get: 4x2 + 8x + 5 = 0 We know that product of root = c/a Here, c = 5 and a = 4 So, required product = 5/4 = 1.25
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