Question

(X+y)²-(x-y)², if x = 1/3 Y = 1/5​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

$(x + y)^{2} - (x - y)^{2} \\ = (x + y + x - y)(x + y - x + y) \\ = 2x \times 2y \\ = 4xy \\ = 4 \times \frac{1}{3} \times \frac{1}{5} \\ = \frac{4}{15}$