Q10Short answer
− r − 2r = 0 ⇒ r= 2 Hence 3rd term is independent of x and its value is given by 10 3−3 10 × 9 1 5 T3 = C2 = × = 4 2 × 1 9 × 12 12
− r − 2r = 0 ⇒ r= 2 Hence 3rd term is independent of x and its value is given by 10 3−3 10 × 9 1 5 T3 = C2 = × = 4 2 × 1 9 × 12 12