① The following calculation is correct: a (- 3x) ^ 2 = - 9x ^ 2 b. (- 3x) ^ 2 = 9x ^ 2 C. (- 3) ^ 2 = - 6x ^ 2 D (- 3x) ^ 2 = 6x ^ 2 ② The result of calculating a (- 2A) ^ 3 · (a ^ 2) ^ 5 is () (to simplify) ③ If (x ^ 3Y ^ n) ^ 2 = x ^ 6 y ^ 8, then n equals () ④ Given 2 ^ x = A.2 ^ y = B. find the value of (2 ^ x + y) + (2 ^ 3x + 2Y) ⑤ Given x ^ n = 2. Y ^ n = 3, find the value of (x ^ 2Y) ^ 2n | Math enthusiast | Mathematical art

① The following calculation is correct: a (- 3x) ^ 2 = - 9x ^ 2 b. (- 3x) ^ 2 = 9x ^ 2 C. (- 3) ^ 2 = - 6x ^ 2 D (- 3x) ^ 2 = 6x ^ 2 ② The result of calculating a (- 2A) ^ 3 · (a ^ 2) ^ 5 is () (to simplify) ③ If (x ^ 3Y ^ n) ^ 2 = x ^ 6 y ^ 8, then n equals () ④ Given 2 ^ x = A.2 ^ y = B. find the value of (2 ^ x + y) + (2 ^ 3x + 2Y) ⑤ Given x ^ n = 2. Y ^ n = 3, find the value of (x ^ 2Y) ^ 2n

① The following calculation is correct: (b) a (- 3x) ^ 2 = - 9x ^ 2 b. (- 3x) ^ 2 = 9x ^ 2 C. (- 3) ^ 2 = - 6x ^ 2 D (- 3x) ^ 2 = 6x ^ 2 ② the result of a (- 2A) ^ 3 · (a ^ 2) ^ 5 is (8a ^ 14) (to simplify) ③ if (x ^ 3Y ^ n) ^ 2 = x ^ 6 y ^ 8, then n is equal to (4)

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