Question

solve using the suitable identity : 1. (m-n)sq. = 2.(70+2)sq. =​

Answer 1

Answer:

1) m^2 + n^2 - 2mn

2) 5184

Step-by-step explanation:

1) We will use the identity: (a - b)^2 = (a^2) + (b^2) - 2ab

2) We will use the identity: (a + b)^2 = (a^2) + (b^2) + 2ab

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