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Grade 12th passIntegral Calculus

Kindly go through the image help me with the solution.

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Profile image of Kshitij
7 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
7 Years ago
 
Dear student
 
Use property of f(x) = f(a+ b – x)
 
I = integration f(x) dx
after using property
 
I = integration f(3 – x) dx
 
Now add
 
2 I = integration { f(x) + f(3 – x) } dx
 
2 I = integration (4) dx
 
2 I = 4 (3 – 0)
 
2 I = 12
 
I = 6