
If the equation then prove that .
Answer
541.5k+ views
Hint: In order to solve this question multiply 2 with the equation and try to make the formula of by solving the given equation, then you will get solution to this problem.
Complete step-by-step answer:
The given equation is ……(1)
We have to prove:
On multiplying 2 with the given equation we get the equation as:
On solving it further we get the equation as:
We know the formulas as :
…(2)
Putting the values of equation (2) in obtained equation we get the new equation as:
Since the sum of square is zero then each term should be zero
, ,
, ,
, ,
The above shown condition is only possible when .
Hence, proved.
Note: Whenever you are struck with these types of problems you should always think about which identity we can use so that we can prove what has been asked like here we have to make the given equation such that we can use the formula of . Proceeding like this will make your solution correct and proved.
Complete step-by-step answer:
The given equation is
We have to prove:
On multiplying 2 with the given equation we get the equation as:
On solving it further we get the equation as:
We know the formulas as :
Putting the values of equation (2) in obtained equation we get the new equation as:
Since the sum of square is zero then each term should be zero
The above shown condition is only possible when
Hence, proved.
Note: Whenever you are struck with these types of problems you should always think about which identity we can use so that we can prove what has been asked like here we have to make the given equation such that we can use the formula of
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