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Ex 7.2 Q39 

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f(x) = 4x + 5 and g(x) = 9x − 4

f − g

(f − g)(x) =

Let A = {1,2,3,4,5,6} define a relation R from A to A by R={(x,y)/y=x+1} .write image of 6 and pre-image of 4.

The force applied on a body of mass 6kg is directly proportional to the acceleration produced in the body. Write an equation to express observation and draw the graph of the equation.

-P/4=-2

Science sample question paper 086

express 5+root 2i/1- root 2i in form of a+ib

if sinx = 3/5 cos y = -12/13 where x and y both lie in 2nd quadrant then find the value of sin[x+y]

a =[1,2] b= [1,2,3,4] c= [ 5,6] d = [ 5,6,7,8] verify a into [b intersection c] = [a into b ] intersection [a into c]