Question
No. of integral roots of the eqn. x8 - 24 x7 - 18x5 + 39 x2 + 1155 = 0 .
Joshi sir comment
two times sign change so 2 positive roots
No. of integral roots of the eqn. x8 - 24 x7 - 18x5 + 39 x2 + 1155 = 0 .
two times sign change so 2 positive roots