`(3^(x^2-7.2+3.9)-9sqrt3)log(7-x)=0`

(3^(x^(2)-7.2x+3.9)-9sqrt(3))log(7-x)=0

Solve the equation sqrt((6-x))(3^(x^(2)-7.2x+3.9)-9sqrt(3))=0

Solve the equation sqrt((6-x))(3^(x^(2)-7.2x+3.9)-9sqrt(3))=0

Solve the equation sqrt((6-x))(3^(x^(2)-7.2x+3.9)-9sqrt(3))=0

Solve the equation sqrt((6-x))(3^(x^(2)-7.2x+3.9)-9sqrt(3))=0

Solve the equation sqrt((6-x))(3^(x^(2)-7.2x+3.9)-9sqrt(3))=0

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)|

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

(3x^2 -7x+9) ÷0=___