Calculus
rivatives
Der
o
Wealication
rONCEPTBUILDER
fangentVormal
quadratic curve passing through the point (-1,0) and touching the linc y at (1, 1) be
Q.
tthe
Let
flæ). Then the r-intercept of thhe normal to the curve at the point (o,a t 1) in thc first
quadrantis 10 Apr 2023 (E)
cquation of the normal to the curve y (ztb) (r 2) at thc point (1,-3) is z 41 13
0%. Ifthe
to
on the value of a +bis cqual 29 Jan 2023 (E) H
Qi. Let Sbe the set of all the natural numbers, for which the line + * 2 is atangent to the curve
(4)'+()" = 2 at the point (a, b), ab 0. Then 26 Jun 2022 (M)
() S= ó (2) n(S)=1 (3) S{2k: ke N) (4) S=N
a fthe angle made by the tangent at the point (z0, 30)) on the curve z =12(t +sin teo% t).
u= 12(1 + sin t)",0 <t<, with the positive æ-axis is , then o is cqual to 25 Jun 2022 (E)
(oo(3+2V2) (2) 3(7+4Vs) (3) 27 (4) 48
at 1fthe line y = 4+ kæ, k > 0, is the tangent to the parabola y = T r² at the point P and V is the D
vertex of the parabola, then the slope of the line through P and V is 25 Jun 2022 (E) 2
(1) (2) 2 (3) (4)
06. If the tangent at the point (1,y1) on the curvey= + 3z² +5 passes through the origin, then
(z1,y) does NOT lie on the curve 24 Jun 2022 (M)
(2) a?=8 (3) y = 4g2+ 5 (4) - =2
() +=2
Q7. An angle of intersection of the curves, + = land æ +y= ab, a > b, is :
31 Aug 2021 (E)
(1) tan (2Vab) (2) tan-() Sab (4) tan()
(3) tan -14-b
2y
Q8. Let acurve y= f(z) pass through the point (2, (log, 2)') and have slope for all positive
25 Jul 2021 (E)
real values of z. Then the value of f(e) is equal to
09. The shortest distance between the line - y=l and the curve a²= 2y is: 25 Feb 2021 (E) O
(1) (2) (3) 2/2 (4) 0
Y0. IT the curves r = y and æv = k cut at right angles, then (4k) is equal to 25 Feb 2021 (E) ON
Y T the area of the triangle formed by the a-axis, the normal and the tangent o the circle
(2-2) + (4-3) = 25 at the point (5,7) is A, then 24A is cqual to
24 Feb 2021 (E)
For which of the following curves, the line æ + V3y = 2V3 is the tangent at the point ,)?
24 Feb 202 1 (E)
(1) 2z2 -18y =9 (2) y²= (3) a2 + 9y? = 9 (4) a² +y' =7
181