Aman invests rs.6500 for 3yrs at 4.5% p. a compound interest reckoned yearly. income tax at the rate of 20% is deducted at the end of each year. find the amount at the end of third year.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0