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If (x+2) and (x-2) are factors of ax4 + 2x - 3x2 + bx - 4, then the value of a + b is ...

On dividing x3-3x2+3x+7 by x+1, ax2+bx+c is obtained. What is a+b+c? ...

If a1/3 + b1/3 + c1/3 = 0, find a + b + c. show how to obtain d answer ...

The area of a square of side (2x − ay + 3) is A(x) + a2y2 + 2y (2x + 3), where A(x) is a polynomial in the variable x. What is the value of the constant a?....pls show how 2 obtain d ans ...

wat z an xtensive property ...

1)From which of the following process can we retrieve the solid sodium chloride? Salt is dissolved in water and we put alcohol in it Salt is dissolved in water and we add AgNO3 to it Salt is fused Both a. and c. Which one and ...

A balloon of mass 2Kg, experiences up thrust of 50N. A block of 1Kg is attached to the balloon and the system is released from rest from the top of the building of height 30m, after going up by 30m the block falls off. Find t ...

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Natural display is very popular. It is the display used in most calculators where the graphics is completely natural (generally b/w) and you need external light to see it. It is unlike TV or computer screen pixels where the p ...

Draw the graph of x+sinx ...

Draw the graph of tanx.tany=1 ...

We are told that the height h, in metres, of a certain projectile as a function of time t, in seconds, is h = 20t*4.9t 2 .Find the domain and range for the function h(t). ...

Find the greatest integer k for which 1991^k divides 1990^1991^1992 + 1992^1991^1990 ...

*Image* D wheel shown in d diagram has a fixed axle passing thru O. D wheel is kept stationary under d action of i) a horizontal force F1 at A and ii) a vertical force F2 at B. Wich of d force F1 or F2 is greater? Find the ra ...

What is the magnetic field that exerts a force of 2.4 x 10 -4 newtons on a current of 12 amperes in a wire 30 cm , long set perpendicular to the field? ...

lim(n→∞) [ 2/π (n+1)cos-1( 1/n )-n] ...

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a,b,c are in AP & a2,b2,c2 are in HP, then prove that a=b=c or a,b,-c/2 are in GP ...

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\hspace{-16}$Calculate total no. of real solution in each case\\\\\\ $\bf{(1)\;\;2^x = 1+x^2}$\\\\\\ $\bf{(2)\;\; 2^x+3^x+4^x = x^2}$\\\\\\ $\bf{(3)\;\; 3^x+4^x+5^x = 1+x^2}$ ...

Lim X→0 ex-e sinx/ x-sinx Don't use L'Hospital ...

why O- is a universal donor but not O+?????? ...

Draw the graph of {e{x}} where {} represents the fractional part. ...

If a, b, c be in GP & logca, logbc, logab be in AP, then prove that the common difference of AP is 3/2 ...

654 g of zinc reacts with dil. HCl in an open vessel at 37oC liberating hydrogen. Calculate the work done by the hydrogen gas in Joules. What would be the work done by the same gas if the same reaction were carried in a seale ...

\text{Here is an awesome probability question that I solved recently.}\\\text{I know this is quite a popular question so don't just copy-paste it directly from some other site.}\\\text{Try it yourself.It's a really good quest ...

I am recently stumbling with a question. Can you please help me? A brown-eyed man produces with a woman offsprings in the ratio 1:1.(ie brown-eyed : blue-eyed).Predict the genotype of the mother. In this case,brown eyes is do ...

the two ends of a train moving with a constant acceleration pass a certain point with velocities u and v respectively.what is the velocity with which the middle point of the train passes the same point? ...

More is the hydration enthalpy of an ion, more vigorously will it dissolve in water. Why is it so? ...