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The answers are in Chapter 24.
MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals
Problem The answers are in Chapter 24.
(A) x 2 cos ( 3 x ) 3 − 2 x sin ( 3 x ) 3 − 2 cos ( 3 x ) 3 + C \frac{x^{2} \cos (3 x)}{3}-\frac{2 x \sin (3 x)}{3}-\frac{2 \cos (3 x)}{3}+C 3 x 2 c o s ( 3 x ) − 3 2 x s i n ( 3 x ) − 3 2 c o s ( 3 x ) + C
(B) − x 2 cos ( 3 x ) 3 + 2 x sin ( 3 x ) 3 + 2 cos ( 3 x ) 3 + C -\frac{x^{2} \cos (3 x)}{3}+\frac{2 x \sin (3 x)}{3}+\frac{2 \cos (3 x)}{3}+C − 3 x 2 c o s ( 3 x ) + 3 2 x s i n ( 3 x ) + 3 2 c o s ( 3 x ) + C
(C) − x 2 cos ( 3 x ) 3 + 2 x sin ( 3 x ) 9 + 2 cos ( 3 x ) 27 + C -\frac{x^{2} \cos (3 x)}{3}+\frac{2 x \sin (3 x)}{9}+\frac{2 \cos (3 x)}{27}+C − 3 x 2 c o s ( 3 x ) + 9 2 x s i n ( 3 x ) + 27 2 c o s ( 3 x ) + C
(D) x 2 cos ( 3 x ) 3 − 2 x sin ( 3 x ) 9 − 2 cos ( 3 x ) 27 + C \frac{x^{2} \cos (3 x)}{3}-\frac{2 x \sin (3 x)}{9}-\frac{2 \cos (3 x)}{27}+C 3 x 2 c o s ( 3 x ) − 9 2 x s i n ( 3 x ) − 27 2 c o s ( 3 x ) + C
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