© examsiri.com
Question : 69 of 160
Marks:
+1,
-0
Solution:
I=‌∫‌| 1 |
| 9cos2x−24sin‌x‌cos‌x+16sin‌2x |
‌dx=⇒I=∫‌| 1 |
| (3‌cos‌x−4sin‌x)2 |
‌dx⇒I=∫‌‌dx‌3−4‌tan‌x=t‌−4 sec2x‌dx=dt⇒I=‌‌∫t−2‌dt‌=‌⋅‌+C=‌| cos‌x |
| 4(3‌cos‌x−4sin‌x) |
+C
© examsiri.com
Go to Question: