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I. 20x² - 93x + 108 = 0 20x² - 48x - 45x + 108 = 0 4x (5x – 12) – 9(5x – 12) = 0 (4x – 9) (5x – 12) = 0 x = 9/4 , 12/5 II. 72y² - 47y - 144 = 0 72y² + 81y - 128y - 144= 0 9y(8y + 9) – 16(8y + 9) (9y – 16) (8y + 9) = 0 y = 16/9 , -9/8 Hence x > y.
The ratio of the amplitudes of the electric field and magnetic field strengths has the same dimensions as that of:
Which graph represents uniform motion?
A car travels 300 m in 20 seconds. What is its average speed?
The term ‘Isoneph' indicates the lines of equal –
Which of the following is NOT a vector quantity?
As we go from Equator to North pole the value of ‘S; the acceleration due to gravity
The current across the 3 ohm resistance in the given circuit is:
Which type of mirror is used in car headlights?
An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is New...
A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.