Answer:
in the chapter 7 in class 9 Ex 7.3
one time - and second time +
Step-by-step explanation:
x-2=4+x
1) x-2=-(4+x)
x-2=-4-x
x+x=-4+2
2x=-2
x=-2/2
x=-1
2) x-2=4+x
=0
81 and 91
By geometric mean theorem:
Given
Required
Find f(x - 4)
Substitute x - 4 for x
Expand
Collect like terms
To find the value of , we need to isolate it. In this case, we can do so by dividing it by , and what we do to one side of the equation, we have to do to the other. So, divide both sides of the equation by .