Suppose that f(x, y) = y√³+1 at which {(x, y) | 0 ≤ y ≤ x ≤ 4}. Then the double integral of f(x, y) over Dis [[_f(x, y)dxdy =

3) Evaluate the following integrals ( /4 a) ¹4( (cosx + sec² x) dx b) f(x²¹3-4x) dx c). [v² (v¹ +5) dv

2. Evaluate the following integrals: x + 2 (a) J dx, x 0,-1. x³ + 2x² + x x² (b) / = | dx using a hyperbolic substitution. √x² +1

1. Convert 220° to radians. Express the angle to 2 decimal places. 2. Convert 75° to radians. Answer in terms of л.

Evaluate the line integral of f(x, y, z) = 8x² + 8y² + 26 along the curve C defined by r(r) = (cos(2t), - sin(2t), 5t) for 0 ≤t≤T. √(8r² + 8y² + 26) ds =