Question

Find the value of (78^2 - 22^2) using formula​

Answer 1

Answer:

5600

Step-by-step explanation:

a²-b²= (a-b) (a+b)

(78²-22²)= (78-22)(78+22) = 56×100= 5600

Answer 2

Answer:

the formula say's (a^2-b^2)=(a-b)^2

so (78-22)^2=56^2=3136

Step-by-step explanation:

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