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1 answer:
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Let's assume
length of box is l
width of box is w
we know that
area of rectangle = length*width
...................(1)
now, we are given
fencing length is 20 foot
fencing length will be equal to perimeter
and we know that
so, we get
now, we can solve for l
now, we can plug that in first equation
now, we can solve for w
now, we can find length
or
so, option-B..................Answer
Answer:
Since L.H.S = R.H.S = 0, for both and
, y₁ and y₂ both satisfy the equation y" - y = 0 and are thus solutions to the differential equation.
Step-by-step explanation:
To check whether the given functions are solutions the given differential equation, we differentiate the functions and then insert it into the given equation.
So y" - y = 0 and
Substituting these values of y and y" into the left hand side of the equation, we have
y" - y
Since L.H.S = R.H.S
So is a solution of the differential equation.
When
Substituting y and y" into the left hand side of the equation, we have
y" - y
Since L.H.S = R.H.S
So, is a solution of the differential equation.