Sheet (4) Integration Solve the following equations: 1- Sant = 5x2/ 2- V2x + 1dx 3- S(x2 + 5) dx 4- S x2+6x+9 dx dx Solve the following equations: 1) sin(7x+1)dx cos 2x dx 2) sin2x 3) sin x cos x dx 4) cos2xdx 5) / sina xdx 6) / sinxdx 7 7) Sadx 8) S 9) S -dx 4+ X-3 x2+1 -dx x+2x2+2 dx 10) S x2 - 4x +7