Evaluate = f(3x+4y)dndy where R is the region in the upper
half of the area bounded by the circles x² + y² =1, x² + y² = 4
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Answer:
yCorrect option is
D
6x
2
+26x+21
dx
d
(x
2
+3x)(2x+7)
=
dx
d
{2x
3
+7x
2
+6x
2
+21x}
=
dx
d
{2x
3
+13x
2
+21x}
=6x
2
+26x+21
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