Question

(a+b)(a-b)=11×9
a=?
b=?​

Answer 1

Answer:11 = (10+1)

9=(10-1)

And (a+b)(a-b)=a^2-b^2=99=(100-1)

So..a=10,b=1

Step-by-step explanation:

Answer 2

Answer:

(a+b) (a - b) = 11 × 9

(a+b) (a - b) = (10+1) (10 - 1)

a² - b² = (10)² - (1)²

a² = (10)²

a = 10

and.... b² = (1)²

b = 1

Step-by-step explanation:

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