TS EAMCET · Maths · Indefinite Integration
If , then a root of , that lies in the interval is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
We have, ∫033x2-4x+2dx=k ⇒k=x3-2x2+2x+c03 ⇒k=27-18+6=15. Again we have, 3x2-4x+2=3k5 ⇒3x2-4x+2=3·155=9 ⇒3x2-4x-7=0 ⇒3x2-7x+3x-7=0 ⇒x+13x-7=0 ⇒x=-1 & 73
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