plz answer this question
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hey mate here is your answer
- (x²+2/3) ( x²-2/3)
by using identity (a+b) (a-b) = a²-b²]
= (x²)² - (2/3)²
= x⁴ - 2²/3²
= x⁴ - 4/9
2. 25x² + 30xy + 9y²
=(5x)² + 2*5x*3y + (3y)²
[by using identity (a+b)² = a²+2ab+b²]
= (5x + 3y)²
= (5x+3y) (5x+3y)
hope it will help you
good luck
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