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Prove that 2to the power n>n for all positive integersn

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Dam hai to iska jawab bataon
X=√3+1√4+1√5+1√........find the value of X

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. The owner of a milk store finds that he can sell 980 litres of milk each week at Rs. 14
per litre and 1220 litres of milk each week at Rs. 16 per litre. Assuming a linear
relationship between selling price and demand, how many liters could he sell weekly at
Rs. 17 per litre?

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1340 lts.Using intercept formThanks (0)
Solve limit x>2 3 rest to x + 3 rest to 3x 12 / 3 rest to 3x  3 rest to x/2

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If cosec x  cot x= p,then the value of cosec x is

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Passing through (0,0) with slope m

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y=mxThanks (0)
Exercise 13.1all sums small explanation required

What you doing go enjoy diwali
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What is the value of 40c10 +40c11 +40c12+....+50c20

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I want the domain and range of all functions..... Chapter  relations and functions

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Find the A.M between
3.7and 5.5

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4.6Thanks (1)
find the range of the function. f(x)=x ÷ x

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IF 1/x+y,1/2y,1/y+z are in good then show that xerox,you,z are in gp

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How many terms are in following
(2x + 3y  4z)raise to the power 'n'

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Find the number of straight line that can be drawn through any points out of 10 points, of which 7 are collinear.

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Three numbers are in A.P . if the sum of these numbers be 27 and the product 648 . find the numbers

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(ad)+a+(a+d)=3a=27, a=9, (ad) a (a+d)=(9d) 9 (9+d)=648,(819d)(9+d)=648,729+81d81d9d2=648,729648=9 d2, 81/9=d2, d2=9, d=3 .... now a=9, d=3,..required number. 6,9,12Thanks (3)
Tan (a+b)

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Tan a +tan b/1+tan a.tan bThanks (0)
10  10 + 6  1 by 10  6 + 1 equal to 1 + sin by Cos A

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Find the sum of the series up to N terms 1*3*7+2*6*11+3*9*15+...........

Nyc 9ne

(1+2+3+....+n)×(3+6+9+...+n)×(7+11+15+...+n)=[1+(n1) 1]=(1+n1)=n..... (1)::::(3+3n3)=3n... (2):::(7+4n4)=(4n+3)... (3):::from 1,2,3""n×3n×(4n+3)=3n2×(4n+3)=12n^3+9n^2=12n3+9n2 by sum of n3 and n2 to n term=3n (n+1)/2 [2n (n+1)+(2n+1)]
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a=1d=2 TN =1+(n1)2 =1+2n2 =2n1Thanks (1)

Tn=a+(n1)dThanks (1)
If x by 3, 2 by 3 equal to 4 by 3, y by 3 then find the value of x and y

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(if x by 3 2 by 3 equal to 4 by 3 by 3 then find the value of x and y

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Chapter Permutations
Q. How many numbers are between 100 and 1000 in which all the digits are distinct?

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648Thanks (3)
How many numbers less than 1000 can be made with the digits 0 ,5,3,7?

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24 if repitetion of digit is not allowed 64 if rep. is allowedThanks (0)

64Thanks (1)

6Thanks (4)
X is wife of y where x,y are any two persons in a lacality.

Is this a transitive relation
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Is there any easier way to solve binomial theorems

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By Pascal's triangle
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