Question

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Answer 1

Explicación paso a paso:

1.

(5n+3)² = (4n+4)² + (3n-1)²

25n²+30n+9 = 16n²+32n+16 + 9n²-6n+1

25n²+30n+9 = 25n²+26n+17

4n =8

n = 2

10cscθ+ 13cosθ

10(13/5) + 13(12/13)

26 + 12 = 38

2.

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