Question

integrate the attached question.​

Answer 1

Answer:

√(1+(x²/9)) = (2/81)*(27x^(5/2)+x³)

Step-by-step explanation:0

Answer 2

put .....

x = 3tan@

dx = 3 sec^2@ d@

LHS = $3√(1 + tan^2@) sec^2@ d@

= 3 $sec^3@ d@......

= 3/2(secx tanx) +3/2 ln( secx + tanx)