Math, asked by priya232838, 1 day ago

please answer my question please​

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Answered by vaibhavvermabti
1

Answer:

7a²-3b²

(√7a)²-(√3a)²

(√7a+√3b)(√7a-√3b)

(l+m)² - 4lm

l²+2lm+m² - 4lm

l²+m²-2lm

(l-m)²

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