Simplify: (1/2x²+2/3y²)²-(1/2x²-2/3y²)²
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Answer:
4x²/3y²
Step-by-step explanation:
let x²/2 be 'a' and 2/3y² be 'b'
There fore,
(a+b)²-(a-b)²
= a²+b²+2ab-a²-b²+2ab
So, the a² and b² are cancelled out
=2ab+2ab
=4ab
Now, put the value of a and b
= 4 multiply x²/2 multiply 2/3y²
= 4.x²/2.2/3y²
Now, simply it
Then you will get
= 4x²/3y²
Step-by-step explanation:
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