1.

At what points of the curve \[y=\frac{2}{3}{{x}^{3}}+\frac{1}{2}{{x}^{2}},\]tangent makes the equal angle with axis [UPSEAT 1999]

A. \[\left( \frac{1}{2},\,\frac{5}{24} \right)\] and \[\left( -1,\,-\frac{1}{6} \right)\]
B. \[\left( \frac{1}{2},\,\frac{4}{9} \right)\] and \[\left( -1,\,0 \right)\]
C. \[\left( \frac{1}{3},\,\frac{1}{7} \right)\] and \[\left( -3,\,\frac{1}{2} \right)\]
D. \[\left( \frac{1}{3},\,\frac{4}{47} \right)\] and \[\left( -1,\,-\frac{1}{3} \right)\]
Answer» B. \[\left( \frac{1}{2},\,\frac{4}{9} \right)\] and \[\left( -1,\,0 \right)\]


Discussion

No Comment Found

Related MCQs