Solution: (3) f (x) = √x2 - |x| + 1 / (√9 - x2) f (x) is defined if 9 > x2 and x2 ≥ |x| -3 < x < 3 and x ∈ (-1, 0) ⋃ (0, 1) Df =... View Article
1) f (x + 2) - 2 f (x + 1) + f (x) = 0 2) f (x) + f (x + 1) = f (x (x + 1)) 3) f (x1) f (x2) = f (x1 + x2) 4) f (x1) + f (x2) = f ([x1 + x2] /... View Article
Solution: (3) f (x) = f [(x + 1) / (x + 2)] f (-x) = f ([-x + 1] / [-x + 2]) -- (1) f (x) = f ([-x + 1] / [-x + 2]) Take f-1 on both sides,... View Article
Some of the examples of oscillatory motions are to and fro motion of the pendulum of the clock, vibrations of atoms about their mean position.... View Article
Can we see inverted images in any mirror? An inverted image cannot be seen on a plane mirror and a convex mirror. The image will be real and... View Article
What is the power of lens of focal length 50 cm? The power of the lens is always given as the reciprocal of focal length. For the focal length of... View Article
What does inductance depend on? The inductance of the coil depends on the following factors The number of turns in the coil: A larger number... View Article
Young’s modulus is a measure of the resistance of a solid to a change in the length. What affects Young's modulus? Young’s modulus is affected... View Article
What are Kepler's three laws? Kepler’s three laws of planetary motion are listed below First law According to Kepler’s first law, every... View Article
What are the conditions for constructive and destructive interference? The condition for constructive interference is that the phase difference... View Article
What factors affect the boiling point? The pressure is a factor that affects the boiling point of the liquid. The boiling point of the liquid is... View Article
Can convex lenses give diverging rays? Yes, it is possible in specific circumstances. If the refractive index of the material of the medium is... View Article
What is the difference between wavefront and wavelet? A wavefront is the locus of all the particles which are in phase. For example, when water... View Article
Centre of mass is the point in space or within the object at which all the mass of the system seems to concentrate. Can the centre of mass be... View Article
What is angular fringe width? Fringe width is the distance between two consecutive bright fringes or dark fringes. In a Young’s double slit... View Article
