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AP EAMCET · Maths · Area Under Curves

The area (in sq. units) bounded by the curve y=x2+2x+1 and the tangent to it at (1,4) and the Y-axis is

  1. A 13 sq. units
  2. B 23 sq. units
  3. C 1 sq. units
  4. D 73 sq. units
Verified Solution

Answer & Solution

Correct Answer

(A) 13 sq. units

Step-by-step Solution

Detailed explanation

The equation is given as, y=x2+2x+1 Differentiate the above equation with respect to x, dydx=2x+2 At (1,4) dydx=21+2=4 The figure below represents the area bounded. The bounded area is, A=∫01ydx-12(OA×AP) ⇒A=∫01x2+2x+1dx-121×4 ⇒A=x33+x2+x01-2…