Question

Find the mean deviation about median

Xi 3,6,9,12,13,15,21,22

Find 3,4,5,2,4,5,4,3

find the formula of the nth term of a sequence 1, -1, 1, -1, 1,...

find the first four terms of the sequence (1-n)/n^2

ch 1 rational number 

prove 6+3root2 is irrational

4question😊😊

economic different between change in demand and change in quantity demanded

• Important questions of class 9 maths CBSE

• Human capital means the knowledge & enterprise needed to be able to put together the other factors of production into an output for self use or to sell in the market.

Trigonometric ratio

If sinx=3/5, cosy=-12/13, where x and y both lie in second quadrant, find the value of sin(x+y)

qno 21-22

Find the derivative of y with respect to appropriate variable y=sin-1(1-1)