Differentiate each of the following w.r.t. x:
( Formulae : • • • • Let, y = (ax2 + bx + c)6 and u = (ax2 + bx + c) therefore, y = u6 Differentiating above equation w.r.t. x, = 6. (ax2 + bx + c)5. (2ax+b+0) …………. 
………… By chain rule
…………. 
2
Differentiate each of the following w.r.t. x:
( Formulae : • • • • Let, y = (ax2 + bx + c)6 and u = (ax2 + bx + c) therefore, y = u6 Differentiating above equation w.r.t. x, = 6. (ax2 + bx + c)5. (2ax+b+0) …………. ………… By chain rule ………….