Question:
What is fx() 2 2 ∫ dx equal to?
What is fx() 2 2 ∫ dx equal to?
Options:
- a) 63 22–
- b) 63 2–
- c) 63 22
- d) 63 22
- a) 63 22–
- b) 63 2–
- c) 63 22
- d) 63 22
correct answer : a)
Explanation:
∫
2
2 ()f x dx
=
x dx
2 2
2 []∫
= +∫∫
32
2323dx dx
= +32
232 [] 3 []xx
= – +-23 22 6 33
= 62 23–
∫
2
2 ()f x dx
=
x dx
2 2
2 []∫
= +∫∫
32
2323dx dx
= +32
232 [] 3 []xx
= – +-23 22 6 33
= 62 23–