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B
xqxp+q+1+C
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C
−xqxp+q+1+C
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D
xpxp+q+1+C
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Solution
The correct option is D−xqxp+q+1+C Let I=∫pxp+2q−1−qxq−1x2p+2q+2xp+q+1dx =∫pxp+2q−1−qxq−1(xp+q+1)2dx =∫pxp−1−qx−q−1(xp+x−q)2dx Let xp+x−q=t ⇒(pxp−1−qx−q−1)dx=dt So ,I=∫dtt2 =−1t+C =−1xp+x−q+C =−xqxp+q+1+C