what is tangents

Three common tangents can be drawn to two circles of radii r 1 cm and r 2 cm. What is the distance between their centers? [Given r 1 = 7 cm and r 2 = 5 cm.] => 2 cm or 12 cm or 14 cm or cannot be determined..

Estimate the slope of the tangent line to the curve f ( x ) = | 5 x + 44| at x = - 3. => 5 or - 5 or - 3 or 1..

CA → and CB → are tangents. Measure of the major arc AB = 240, m ∠ ACB = ? => 60° or 40° or 50° or 30°..

Find the point at which the tangent to the curve f ( x ) = x 2 - 6 x + 1 is parallel to the chord joining the points (1, - 4) & (3, -8). => (2, -7) or (2, 7) or (-2, -7) or (-2, 7)..

Find the Slope of the tangent to the curve y = 4 x 3 + x 2 + 6 x + 16 at (2, 9). => 64 or 58 or 3067 or 6 or 52..

A tangent is drawn for a circle with length a units and the secant is drawn with its external segment having a length b units. Find out the length of chord formed by the secant segment. [Given a = 8 units and b = 6 units.] => 5.6 units or 6.6 units or 5.1 units or 4.6 units..

Which of the following is the tangent to the curve f ( x ) = x 5 + 4 such that f (0) = 4? => y + x = 1 or y = 0 or y = x or y = 4..

Find the slope of the tangent at (3, - 3) to the curve y 2 = x 3 6 - x . => 1 / 2 or - 9 2 or - 2 or 54..

Find the point on the curve y = 12( x + 1)( x - 2) in the interval [-1, 2] , at which the tangent is parallel to the x - axis. => (- 1 / 2 , - 27) or ( 1 / 2 , - 27) or (- 1 / 2 , 27) or ( 1 / 2 , 27)..

Find the equation of the tangent to the curve f ( x ) = 1 - 2 x + x 2 ; f (-4) = 25. => y - 2 x = 0 or y + x = 0 or y + 10 x = -15 or y - 10 x = 0..