ThePrismSolutions

ThePrismSolutions

DAILY PRACTICE PAPER(27Th June 2018)

(1) If tangent to the curve y = f(x) at any point is parallel to y axis , then at a point dy/dx = ?

(a) 0    (b) -1

(c) 1    (d) ∞

(2) If normal to the curve y=f(x) at a point makes 135° angle with x - axis, then at that point dy/dx

(a) 0    (b) -1

(c) 1    (d) ∞



(3) The slope of the curve Y = sinX + cos2X is zero at a point , where x =

(a) π/4   (b) π/3
(c) π     (d) π/2

(4) The slope of the tangent to the curve x2 + 2y = 8x - 7 at the point x = 5is -

(a) 3π/4   (b) π/3
(c) π     (d) π/2



(5) The equation of tangent to the curve Y = 2sinX + sin2X at the point x = π/3; is

(a) 2y = 3     (b) 3y = √2

(c) 2y = 3√3   (d) 2y = 3




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