If x + (1/x) = 3, then x2 + (1/x2) will be –
x + (1/x) = 3 ⇒ (x + 1/x) ² = (3)² ⇒ x2 + 1/x2+ 2 = 9 ∴ x2 + 1/x2 + 2 = 9 – 2 = 7
Bose Einstein condensate is a
What is the pH of Urine ?
The S.I. unit of the electric flux is
A girl is standing 5 metres away from a plane mirror. How much distance should she move towards the mirror so that she will be 2 metres farther from her...
Which of the following physical quantities is scalar quantity ?
Which Vitamin is soluble in water?
The energy of wind is-
Who discovered the electron?
Bronze is an alloy of-
Which lens is used in sodium reflector lamp ?