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Recent questions tagged p21

Without using derivatives find the maximum or minimum value of $ f(x)=-| x+5 |+3$

asked Jan 30, 2013 by meena.p

0 answers

Find the maxima or minima if any of the function $f(x)=\Large\frac{1}{x^2+2}$

asked Jan 30, 2013 by meena.p

0 answers

FInd the local maxima and local minima if any of the function $f(x)=e^{5x}$

asked Jan 30, 2013 by meena.p

0 answers

The curve $ y=ax^3+6x^2+bx+5$ touches the x-axis at P(-2,0) and cuts the y-axis at a point Q where its gradient is 3. Find a,b,c.

asked Jan 30, 2013 by meena.p

0 answers

Find the maximum and minimum value of $ f(x)=| (\sin 4x+5) |$ without using derivatives.

asked Jan 30, 2013 by meena.p

0 answers

Find the maximum and minimum values of 'f', if any of the function $ f(x) = | x |,x \in R$

asked Jan 30, 2013 by meena.p

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Find the approximate value of $ 2x^4-160=0 $

asked Jan 30, 2013 by meena.p

0 answers

Using differentials evaluate $\tan 44^\circ approximately, 1^\circ=0.07145^\circ$

asked Jan 30, 2013 by meena.p

0 answers

Use differentials to evaluate $ \bigg(\large\frac{17}{81}\bigg)^{1/4}$ approximately.

asked Jan 30, 2013 by meena.p

0 answers

Find the appropriate change in volume of a cube when side increases by 1%.

asked Jan 30, 2013 by meena.p

0 answers

If $ y=x^4-10 $ and if x changes from 2 to 1.97, what is the appropriate change in y ?

asked Jan 30, 2013 by meena.p

0 answers

Using differentials find the appropriate value of $(82)^{1/4}$

asked Jan 30, 2013 by meena.p

0 answers

Find the angle between the parabolas $ y^2=4ax\;and\;x^2=4by$ at their point of intersection other than the origin.

asked Jan 30, 2013 by meena.p

0 answers

FInd the equation of the tangent to the curve $\sqrt x+ \sqrt y =a$ at the point $\bigg(\large\frac{a^2}{4},\frac{a^2}{4}\bigg)$

asked Jan 30, 2013 by meena.p

0 answers

FInd the equation of tangent and normal to the curve $ y^2=\large\frac{x^3}{4-x}$ at (2,-2)

asked Jan 30, 2013 by meena.p

0 answers

Find the equations of the normal lines to the curve $ y=4x^3-3x+5$ which are parallel to the line $9y+x+3=0$

asked Jan 30, 2013 by meena.p

0 answers

Find equation of tangents to the curve $ x=a\cos ^3 \theta,y=b\sin ^3 \theta $ at $\theta=\pi/4$

asked Jan 30, 2013 by meena.p

0 answers

Find the points on the curve $\large\frac{x^2}{4}+\frac{y^2}{25}=1$ at which the tangents are parallel to x-axis and parallel to y-axis.

asked Jan 30, 2013 by meena.p

0 answers

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