Question

(✓a+✓b) ( ✓a--✓b) is​

Answer 1

Answer:

a - b

Step-by-step explanation:

(a + b)(a - b) = a^2 - b^2

(root a + root b)(root a - root b) = (root a - root b)^2

= (root a)^2 - (root b)^2

Root and square will cancel

= a - b

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Answer 2

Answer:

(✓a+✓b) ( ✓a--✓b)

∵[x-y][x+y]= $x^{2} -y^{2}$

$\sqrt{a} ^{2} -\sqrt{b} ^{2}$

a-b