NCERT Exercise 7.7 Q11 - Integrals
Question: int sqrt(x^2 - 8x + 7) dx equals (A) ((x-4)/2)sqrt(x^2-8x+7)+(9/2)log|x-4+sqrt|+C (B) ((x+4)/2)sqrt+9log|...|+C (C) ((x-4)/2)sqrt-3sqrt(2)log|...|+C (D) ((x-4)/2)sqrt-(9/2)log|x-4+sqrt|+C.
Answer: (D)
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