Question

Find the value of (2√5 + √3) (2√5-√3 )​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

17

Step-by-step explanation:

(2$\sqrt{5}$ + $\sqrt{3}$) (2$\sqrt{5}$ - $\sqrt{3}$)

= (2$\sqrt{5}$)² - ($\sqrt{3}$)²

= 20 - 3

= 17