Question

a+√b) (a-√b .)is equal to​

Answer 1

Answer:

Step-by-step explanation:

$a^{2} - a\sqrt{b} + a\sqrt{b} - b^{2} \\= a^{2} - b^{2} or (a+b) . (a-b)$

Answer 2

Value of given multiply a² - b

Given that;

(a+√b)(a-√b)

Find:

Value of given multiply

Computation:

(a+√b)(a-√b)

Formula used;

⇒ (a + b)(a - b) = a² - b²

So,

⇒ (a+√b)(a-√b)

⇒ (a)² - (√b)²

⇒ a² - b

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