Generate Quiz 69C5A44E43D11

1 / 10

dⁿ/dxⁿ[cos(ax+b)]=?

cos(ax+b)

a^ncos[nπ/2+ax+b]

a^ncos(ax+b)

acos(ax+b)

2 / 10

Find the numbers of 5-digit numbers that can be formed fron the digit 1,2,4,6,8 (when no digit is repeated), but the 2 and 8 are next to each other:

48

72

120

90

3 / 10

Tan^-1A+Tan^-1B =

Tan-1( A-B/ 1+ AB)

Tan-1(A+B/1-AB)

Tan-1( A-B/ 1-AB)

Tan-1( A+B /1+ AB )

4 / 10

In any triangle ABC, √s(s+a)(s+b)/s(s+c)=

sin γ/2

cos γ/2

tan γ/2

None of these

5 / 10

If rate of change circumference is 6m/s then rate of change of radius is

4/pi

2/pi

3/pi

6/pi

6 / 10

The circle x² + y² + 4x-2y + 4 = 0 touches:

x-axis

x-axis and y-axis

y-axis

y=x

7 / 10

A

B

C

D

8 / 10

A hyperbola has:

One focus, Two Directrices

Two foci, Two Directrices

Two focus, One Directrix

One focus, One Directrix

9 / 10

if y=ln √ sinxpara then dy/dx is equal to

√ sinxcosx

cosx/√ sinx

1/2 cotx

1/2 √ cotx

10 / 10

We can solve an oblique triangles, if:

one side and two angle are known

Three sides are known

Two sides and their included angles are known

All a b c

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