Question

14. 2 x? The slope of the tangent to the ellipse 들을 =1 at the point (x1 , yı) is : 2 a 2 (A) -b²x a’y (B) -b²y, a’xı (C) a’yı b²x1 (D) a’x b²y, 15. 1 si + dx is equal to : 2 2 sin'x cos’ x (A) 1 (B) tan x-cot x+c (C) cot x + tan x+c (D) cot x-tan x+c 16. cos a sin a If P= then the value of Pis: - sin a cos a (A) 1 (B) - 1 (C) 0 (D) None of these 17. 3 m If A= ECO mala and A = AT, then 0 n (A) m=n (C) m = 0, n=3 (B) m + n=3 (D) None of these​

Answer 1

Answer:

645464%6456-55455494

454664993649

46646484