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We know -1=-1, make these two into different but equivalent fractions -1/1=1/-1, take the square root of both sides sqrt(-1/1)=sqrt(1/-1), the rule sqrt(x/y)=sqrt(x)/sqrt(y) is true so we can write... sqrt(-1)/sqrt(1)=sqrt(1)/sqrt(-1), simplify the fractions i/1=1/i, multiply both sides by i -1/1=i/i, i/i=1 and -1/1 is -1 so we can write... -1=1 There's your proof i=sqrt(-1) spoiler:i is imaginary
What else can I help you with?
Determine which postulate or theorem can be used to prove that lmn equals PMN?
SAS
How do you prove Leibniz formula for the nth derivatives?
Prove it by induction on n, use 0 or 1 as base cases.
Matrix prove if Ax equals Bx then A equals B?
If x is a null matrix then Ax = Bx for any matrices A and B including when A not equal to B. So the proposition in the question is false and therefore cannot be proven.
If A-B equals null set then prove A subset of B?
A - B is null.=> there are no elements in A - B.=> there are no elements such that they are in A but not in B.=> any element in A is in B.=> A is a subset of B.
The product of a number and its equals one.?
The product of a number and 1 over that number equals one.
How can you prove that 1 plus 1 equals 3?
You can't it equals 2. You can't it equals 2.
How do you prove a0 equals 1?
a0=(a-1\a-1)=a\a=1
How can you prove that 1 equals 3?
Using faulty logic.
How would you prove 1 plus 1 equals 2?
Using a calculator
Can you prove in technical way 1 plus 1 equals 22?
No, because technically, it is not true.
How can you prove tha2 equals 1?
It isn't equal, and any proof that they are equal is flawed.
Prove that 2 divided by10 equals 2?
Cannot prove that 2 divided by 10 equals 2 because it is not true.
How do you prove that xyz equals 1 if x equals logy z and y equals logz x and z equals logx y?
If xyz=1, then it is very likely that x=1, y=1, and z=1. So plug these in. 1=logbase1of1, 1=logbase1of1, 1=logbase1of1. You end up with 1=1, 1=1, and 1=1. That's your proof.
How do you prove that X to the power 0 equals 1?
(a to the power of 1)/(a to the power of 1)=1 So, a to the power of (1-1)=1 Therefore, a to the power of 0=1
Prove identity sin4x equals 4sinxcosx times 1 minus 2sin squared x?
sin4x=(4sinxcosx)(1-2sin^2x)
Prove 1 horsepower equals 746 watts?
There is no proof. 1 mechanical horse power is simply defined as 745.7 watts. Period.
Can you mathematically prove 9 plus 10 equals 21?
No you can not prove that 9 +10 = 21.
