Answer:
7.0 x 10 to the 6th
Step-by-step explanation:
The complete question is
"Find the general solution of the given differential equation
y''-y=0, y1(t)=e^t , y2(t)=cosht
The function
is the solution of the given differential equation.
The function y(t)=cosht is the solution of given differential equation.
<h3>What is a function?</h3>
The function is a type of relation, or rule, that maps one input to specific single output.
Given;

Given differential equations are,
y''-y = 0
So that,
Substitute values in the given differential equation.

Therefore, the function
is the solution of the given differential equation.
Another function;
So that,

Hence, function y(t)=cosht is solution of given differential equation.
Learn more about function here:
brainly.com/question/2253924
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The equation is option number c because someth = smth
Answer:
option d
Step-by-step explanation:
(-4ab)^3 = (-4ab)(-4ab)(-4ab) = -64a^3b^3 (option d)
I hope this helped, please give brainliest if this is correct! Thank you!