Latest Posts

If Y Sin 1 Sin Alpha Sin X 1 Cos Alpha Sin X Then Y 0 Is

1) 1 2) 2 sin α 3) tan α 4) sin α / [1 – cos α] Solution: (4) sin... View Article

, then 1) f(x) is continuous on R 2) f(x) is continuous on R but is not differentiable on R... View Article

1) x2 / [1 + x2] 2) [x2 + 1] / x2 3) x + (1 / x) 4) x... View Article

1) 1 / n 2) (1 / n)n 3) [n2 + 1] / n 4) (1 / n)n ([n2 +... View Article

1) 0 2) 1 / √(x – 1) 3) 2√(x – 1) – 5 4) None of these Solution: (1)... View Article

1) – e (1/e-3) 2) e1/e 3) e1/-2 4) None of these Solution: (1) – e (1/e-3) f (x) =... View Article

1) 0 2) -1 / 2 3) 1 / 2 4) –1 Solution: (2) -1 / 2 y = [sin2... View Article

1) 0 2) – 2 3) 1 / √3 4) √3 Solution: (3) 1 / √3

1) 5 2) 1/5 3) 2 4) None of these Solution: limh→0 [f (3 + h2) – f (3 –... View Article

1) 1 2) –1 3) 0 4) None of these Solution: (1) 1 y = (1 + x) (1 +... View Article

1) 2 2) 3 3) 4 4) None of these Solution: (3) 4 g (x) g (y) = g (x)... View Article

1) n 2) 2n 3) 2n – 1 4) None of these Solution: (2) 2n f (x) = (1 +... View Article

1) 2 2) cos a 3) sin a 4) None of these Solution: (3) sin a Since sin y =... View Article

1) 1 / 3 2) 2 / 3 3) 4 / 3 4) None of these Solution: (2) 2 /... View Article

1) 2 2) (0, ∞) 3) sin a 4) None of these Solution: (2) (0, ∞) f (x) = (1... View Article

1) 0 2) (π / 2)13 3) 3 (π / 2)⅓ 4) – 3 (π / 2)3/2 Solution: (1) 0... View Article

1) [0, ∞) 2) (–∞, ∞) 3) (–∞, ∞) − [0] 4) (–1, ∞) Solution: (3) (–∞, ∞) − [0]... View Article

1) p = q = r = 0 2) p + q = 0, r is any real number 3)... View Article

1) f (x, y) = y / x 2) f (x, y) = 2 (y / x) 3) f (x,... View Article

Spherical wavefronts will emerge from a point source.