Ask a Teacher

Search

CBSE->Std 9 Questions

Total Questions 1962
If remainder is same when polynomial p(x)=x3+8x2+17x+ax is divided by x+2 and x+1.find the value of a.
Based on the following characteristics distinguish the behavior of true solution,suspension and colloidal solution in tabular form. a[appearance] b[filiterability] c[Tyndall effect] d[visibility]
Based on the following characteristics distinguish the behavior of true solution,suspension and colloidal solution in tabular form. a[appearance] b[filiterability] c[Tyndall effect] d[visibility]
actually what is the relation between tje first law of motion and inertia?
can you explain the basics of the future time reference and when and where to use it?
can you please explain the difference of a solution,suspension and a colloid in detail?
what is the difference between a factor theorem and a remainder theorem?
a child drops a ball from a height of 10 m . assume that its velocity increases uniformly at the rate of 10m per sec square (i) find the velocity with which the ball strikes the ground and the time taken by the ball to reach the ground .
a bus starting from the rest moves with a uniform acceleration of 0.1 m/s square for 2 min . find the speed acquired the distance travel
a racing car has a uniform acceleration of 4 meter/sec square . what distance will it cover in 10 sec after start .
an athlete complete 1 round of a circular track of diameter 200 meters in 40 seconds . what will be the distance covered and the displacement at the end of 2 min and 20 sec length = 2 pie r
If x=?2+1/?2-1 and y=?2-1/?2+1 , find the value of x^2+y^2+xy
Find a and b if x+1 and x+2 are factors of (x^3)+(3x^2)-2ax+b
Polynomial ax^3+3x^2-3 and 2x^3-5x+a when divided by x-4 leave the same remainder. find the value of a.
Rationalize 1/?5-?2-?7
Factorize a^12.x^4 - a^4.4x^12
if x+1/x = 2 , find the value of x^4+1/x^4
If x+y+z=9 , find (3-x)^3+(3-y)^3+(3-z)^3-3(3-x)(3-y)(3-z)
Without actual calculation find 30^3+20^3-50^3
If p(x)= x^2-2?x+1 , then evaluate p(2?2)