differentiation basic quiz

basic differentiation:
if r = 2y²

basic differentiation:
if r = y²

basic differentiation:
if Q = T ^-2/3

basic differentiation:
if S = T³

basic differentiation:
if S = 4

basic differentiation:
if v = 4r³

basic differentiation:
if p = 6v¹⁸

second differentiation:
if p = 6v¹⁸

second differentiation:
if x = 19t