2m square - 5m-1 = 0, 1 / 2 of n square + 5 / 2 of n = 0, and M is not equal to N, find: 1 / 1 of M + 1 / N =? It must be detailed. I'm looking for an expert

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• 1. If the square of m plus 1 / 5 m is equal to 1 / 5, find 8 times of m plus 4 times of m plus 4 times of 1 / 1 m
• 2. Given that M + 1 / M = 3, find the square of the sum of squares of M + 1 / M (m-1 / M)
• 3. If a = m / N + n / m, B = m / N-N / m, find the value of a-square-b-square
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• 8. Given that the sum of the first n terms of the sequence {an} is Sn, and 2Sn = 3an-1, n *, find the general term formula of an
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• 10. If the sum of the first n terms of the sequence {an} is Sn and 3an = 3 + 2Sn, the general term formula of an is obtained
• 11. 1. Given that m plus 1 / 2 is equal to 5, find the square of m plus 1 / 2 of M
• 12. If the square of (a + b) is m, and the square of (a-b) is n, we use the formula containing m to express the power of (AB) 3
• 13. 1. If A-B = 4 and ab = half, then (a + b) is square=_____ 2. (a + b) square = (a-b) square + m, then the Formula M represents is=_____ 3. (a + b) square = 16, xy = 3, then (a-b) square=_____ 4. (a + B + C) square = () square + 2B () + b square 5. Given x + y = 7, xy = 2, find the values of the following formulas (1) The value of 2x square + 2Y square the value of (2) (X-Y) square
• 14. Given that AB is not equal to 0, and the square of a-2ab-3b = 0, find (a + AB + 2b) of (a-3ab + b) Urgent,
• 15. Given that AB is not equal to 0, the square of a - the square of ab-2b = 0, then the value of 3a-b / 3A + B is
• 16. Given the square of a-2ab-3b = 0 (AB is not equal to 0), then the value of a of B + B of a is 0
• 17. If the square of a-2ab-8b = 0 (AB is not equal to 0), then a of B is equal to?
• 18. Given that four positive numbers a, B, C and D satisfy a + D = B + C, b square = AC, and two thirds of C equals one part of B + one part of D, try to find a: B: C: D It's a detailed process
• 19. What is the square of C × the square of D + D - (c + - 1 / D)
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