(‌19c0(x3)19+‌19c1(px2+2x−5)(x3)18+....) (‌8c0x16+‌8c1(qx−41)x14+.....)(‌6c0x24+‌6c1(−x3+x−1)x20+.....) =x97+391x96+a95x95+.... Comparing the coefficient of x96 we get 19p+8q−6=391 ⇒19p+8q=397 Let q=19λ+k,0≤k<19 p=‌
397−8(19λ+k)
19
=21−8λ−2‌
(4k+1)
19
‌
4k+1
19
must be integer ⇒k=14,p=15−8λ For minimum positive value of p,λ=1⇒p=7