Question

Using a² -b² = (a + b)(a - b) find the value of 11² - 9² *​

Answer 1

Answer:

Hey mate , Here is the answer

Answer 2

Answer:

40

Step-by-step explanation:

let,

a = 11

b = 9

Then,

applying the identity a² -b² = (a + b)(a - b),

we have,

11² - 9² = (11 + 9) (11-9)

= 20 * 2

= 40

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