Discrete Variable

Q.

What are the Applications of Limits?

Q.

What are the $5$ types of variables?

Q.

Explain the meaning of variate.

Q. A student writes four different expressions for the displacement x in a periodic motion as a function of time t, A as amplitude, T as time period. Which of the following can be correct? (1) x= AT sin 2.pi.t/T (2) x= A.A Tcost (3) x= A/Tcost/a (4) x= A/2power1/2[sin2pi t/T +cos2pi t/T

Q.

Determine whether each statement is sometimes, always or never true. Explain.

(a) The expression $s-12$ and $t-12$ represent the same value.

1. True
2. False