1) If ∫3x+1(x−5)(x−3)dx = ∫−5(x−3)dx+∫Bx−5dx, then the value of B is A) 3 B) 4 C) 6 D) 8 Answer: Option DExplanation:We have, 3x+1(x−3)(x−5) = −5(x−3)+B(x−5) 3x+1 = -5(x-5) + B(x-3) Put x = 5 3(5)+1 + B(5-3) 16 = 2B or B = 8