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2 years ago

If mn = 16 and m^2 + n^2 = 68 then (m+n)^2 =

Mathematics

1 answer:

Dima020 [189]2 years ago

7 0

Answer:

B. 100

Step-by-step explanation:

(m + n)^2

= m^2 + 2mn + n^2

Rearrange

(m^2 + n^2) + 2mn

Substitute

(68) + 2*16

= 68 + 32

= 100

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