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I strongly suspect that the square roots in this question refer to bracketed terms.
24
2 + tansquareA + cossquareA
Yes.
Plus or minus the base. If the base is X and you square it, you get X2. If you take the square root of that, you get Plus or Minus X. This is because X*X equals X2 and -X*-X also equals X2.
x2+10x+1 = -12+2x x2+8x+13 = 0 The solution: x = -4 + the square root of 3 or x = -4 - the square root of 3
100 equales
24
25x (square) plus 40 plus 15 equals 680.
2 + tansquareA + cossquareA
Yes.
Plus or minus the base. If the base is X and you square it, you get X2. If you take the square root of that, you get Plus or Minus X. This is because X*X equals X2 and -X*-X also equals X2.
68
2 and 3
Using the quadratic equation formula: x = -5-/+ the square root of 7
x2+10x+1 = -12+2x x2+8x+13 = 0 The solution: x = -4 + the square root of 3 or x = -4 - the square root of 3
52+122=25+144=169 and Sqrt169 = 13
0.09