Q18 of 26 Page 1

Find :


Let,



⇒ x+3 = A(-4-2x)+B


⇒ x+3 = -2Ax-4A+B


Equating the coefficient, we get


-2A=1 and -4A+B =3


⇒


⇒


∴


⇒


Let


And


⇒


Now ,


Let 3-4x-x2= t


⇒ -4-2x dx= -(4+2x)dx =dt


∴



Again ,






Thus,





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