shreyasishrestha
Answered

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Maths Assignment
4-a^2

Sagot :

yshlok380

Answer:

(2-a)^2

(2+a) (2-a)...

devishri1977

Answer:

Step-by-step explanation:

Use the identity:  a² - b² = (a+ b)(a - b)

4 - a² = 2² - a²        {Here a = 2 and b = a}

        = (2 +a) (2 - a)

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