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Choose the correct answerintsqrt(x^2-8x+...

Choose the correct answer`intsqrt(x^2-8x+7)dx`(A) `1/2(x-4)sqrt(x^2-8x+7)+9log|x-4+sqrt(x^2-8x+7)|+C`(B) `1/2(x+4)sqrt(x^2-8x+7)+9log|x+4+sqrt(x^2-8x+7)|+C`(C) `1/2(x-4)sqrt(x^2-8x+7)-3sqrt(2)log|x-4+sqrt(x^2-8x+7)|+C`(D)`1/2(x-4)sqrt(x^2-8x+7)-(9/2)log|x-4+sqrt(x^2-8x+7)|+C`

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Choose the correct answer int sqrt(x^(2)-8x+7)dx(A)(1)/(2)(x-4)sqrt(x^(2)-8x+7)+9log|x-4+sqrt(x^(2)-8x+7)|+C(1)/(2)(x+4)sqrt(x^(2)-8x+7)+9log|x+4+sqrt(x^(2)-8x+7)|+C(C)(1)/(2)(x-4)sqrt(x^(2)-8x+7)-3sqrt(2)log|x-4+sqrt(x^(2)-8x+7)|+(1)/(2)(x-4)sqrt(x^(2)-8x+7)-((9)/(2))log|x-4+sqrt(x^(2)-8x+7)|

int sqrt (x^2-8 x+7) d x is equal to A) 1/2(x-4) sqrt(x^2-8 x+7)+9 log |x-4+sqrt(x^2-8 x+7)|+C B) 1/2(x-4) sqrt(x^2-8 x+7)+9 log | x+4+sqrt(x^2-8 x+7)+C C) 1/2(x-4) sqrt(x^2-8 x+7)+3 sqrt(2) log | x-4+sqrt(x^2-8 x+7)+C D) 1/2(x-4) sqrt(x^2-8 x+7)-9/2 log |x-4+sqrt(x^2-8 x+7)|+C

Integrate int sqrt(x^2-8x+7) dx

int sqrt(x^(2)-8x+7)dx=....

Solve : sqrt (x^(2) - 16) - sqrt (x^(2) - 8x + 16) = sqrt (x^(2) - 5x + 4 )

Solve: sqrt(x^2-16)-sqrt(x^2-8x+16)=sqrt(x^2-5x+4) .