Question # 1

If x>0 then d/dx[lnx]=_______

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1

x

1/x

ln 1/x

Let a function be defined on an interval and let x₁ and x₂denotes two distinct points in that interval ,If f(x₁)= f(x₂) for all points x_{1 and}x₂then which of the following statement is correct ?

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f is decreasing function

f is increasing function

f is constant function

Sigma notation which is represent which of the following greek letter?

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χ

η

Σ

ψ

if 2x-y=-3 they dy/dx=?

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2

-2

0

-3

lim x→0⁺ln x/1/x=_______

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1

0

none of these

An object is displaced 1m by a force of 1N then the work done

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2

1

0

If the partial sum of series is finite then the series will be:

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Convergent

GIve no information

Not Sure

If f(x)=3x⁸+2x+1 then f'x)

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3x⁷+2

24x⁷+2

3x⁷+23

What is the base of natural lograithem?

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2.71

10

5

Any real number

log_b1/t =________

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log_bt

1-log_bt

1+log_bt

-log_bt

Average velocity of a body is V_ave

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d₁-d_o/ t₁- t_o

t₁- t_o/f(t₁₎- f(t_o)

_f(t₁₎- f(t_o)/t₁- t_o

None of these

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