Mathematics MCQS for class 12 with Answers Chapter 1

The function of the form x=at² & y=at are called parametric function’s and the variable t is called:

Both(a)&(b)

Parameter

None of these

Dependent variable

cos h²x + sin h²x = ____________

sin h2x

cos h2x

1

2 cos h2x

The domain of a rational function R(x)=P(x)/Q(x) is a set of all real numbers x for which:

P(x)=0

Q(x)=0

P(x)

Q(x)

For any set X, a function 1 : X

Linear function

An identity function

Quadratic function

None of these