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`if ab gt 0 " and " 3a + 5b +15 c=0` then which of the following statement is INCORRECT ?A. there exist exactly one root of equation `ax^(4) +bx^(2) +c=0` in (-1,0)B. there exist exactly one root equation `ax^(4)+bx^(2) +c=0` in (0,1)C. there exist exactly two root of equation `ax^(4) +bx^(2) +bx^(2) +c=0` in (-1,1)D. number of roots of equation `ax^(4) +bx^(2) c=0` can be two in (-1,0) |
| Answer» Correct Answer - D | |