Mathematics MCQS for class 12 with Answers Chapter 1

lim 2^x Sin (3/2^x) = ………….

2ln3

sln2

2

sin3

Area of  circle of unit radius is:

1

none of these

?²

?

Let f(x) = x²+ 3, then domain of f is the

Set of all integers

Set of natural numbers

Set of rational numbers

Set of real numbers

cos h²x + sin h²x =

cos h x²

tan h 2x

sin h 2x

cos h 2x

Which one is an implicit function?

y = f(u), u = g(x)

x = f(u), y = g(u)

f(x,y) = c

y = f(x)

If the degree of a polynomial function is 1, then it is called a:

None of these

Linear function

Non-linear function

Quadratic function

lim sinx⁰/x equals:

?/180

180?

1

180/?

If the degree of a polynomial function is __________,then it is called a linear function

1

0

2

3

X = at², y = 2at represents —————–

Ellipse

Hyperbola

Cricle

Parabola

If(x)=Sinx + Cos x, then it is:

Even function

None of these

Odd function

Neither function