Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If ƒ(x) is continuous for all real values of x, then 
(r – 1 + x) dx is equal to -
A
dx
B
dx
C
n 
dx
dx
D
(n – 1) 
dx
dx
Text Solution
Verified by ExpertsThe correct answer is:
A
(r – 1 + x) dx
= 
(x) dx + 
(1 + x) dx + 
(2 + x) dx
+ …. + 
(n – 1 + x) dx
= 
(x) dx + 
(x) dx + 
(x) dx + …. + 
(x) dx + ….. + 
(x) dx.
= 
(x) dx.
Hence is the correct answer.
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