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Black Advanced Problems in Mathematics

Exam: Black Advanced Problems in Mathematics
Subject: Mathematics
Chapter: Indefinite and Definite Integration

Black Advanced Problems in Mathematics · Mathematics · Indefinite and Definite Integration

∫ (1-x^7)/(x(1+x^7)) dx = P |x| + Q |x^7 + 1| + C , then :

\int \frac{1-x^7}{x(1+x^7)} dx = P \log|x| + Q \log|x^7 + 1| + C

, then :

Options

A $2P - 7Q = 0$
B $2P + 7Q = 0$
C $7P + 2Q = 0$
D $7P - 2Q = 1$

Correct answer

B. $2P + 7Q = 0$

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