Question

y=x+e^x,then d^2x÷dy^2

a bag contains tikets which are numberd from 1to100.find the probability that a tiket number picked up at random 1)is a multiple of 7. 2)perfect square

Que 1. 

Teachoo should provide MATHS Latest sample papers with solutions!!!!

• Why we take d/dx (sec x) =(tan x)(sec x) 
  
• If we take d/dx (sec x)=(sec x )( tan x) then our answer is wrong or right

Express 0.8+0.777+0.4333 in the form of p/q

Express 0.8+0.7777+0.43333 in the form of p/q

dy/dx=xe^y_x^2

proof for the sum of square of the n natural numbers

How to find observations from table

If it is given 50th and 51st observation is the median

if sum of 1st n terms of an ap is 2n+3n`2 find rth term