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10 votes
10 votes
6. If (x+y)² = 100 and (x- y)² = 16, what

the value of
is the value of xy?

(A) 6 (B) 10 (C) 21 (D) 25

User Soukeyna
by
2.8k points

1 Answer

15 votes
15 votes

i think is c ,...............

User Ryan Lester
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