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1. Evaluate the following:3(i) 7 x52Find |
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Answer» Step-by-step explanation: Answer ∫ 7x−2
− 7x−5
.dx ∫ 7x−2
− 7x−5
3
× 7x−2
− 7x−5
7x−2
+ 7x+5
.dx =∫ (7x−2)−(7x−5) 3( 7x−2
+ 7x−5
)
.dx =∫( 7x−2
+ 7x−5
).dx =∫(7x−2) 2 1
.dx+∫(7x−5) 2 1
.dx = 2 3
(7x−2) 2 3
× 7 1
+ 2 3
(7x−5) 2 3
× 7 1
+c = 2
(7x−2) 2 3
+ 21 2
(7x−5) 2 3
+c. |
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