A) 4x4/4 - 4·x3/3 B) x3/4 - 4·x3/3 C) x4/4 - 4·x3 D) x4/4 + 4·x3/3
A) -2x - 4/x B) x - 4/x C) -x + 4/x D) 4x - 1/x
A) 6·x5/3/5 + 8·x3/2/3 B) 6·x5/3/5 -8·x3/2 C) -6·x5/3/5 + 8·x1/2/3 D) x5/3/5 - 8·x3/2/3
A) x·(3·x4 + 10·x2 + 15)/15 B) x·(3·x4 + 10·x2 - 15) C) x·(3·x4 + 10·x+ 15)/15 D) -(3·x4 + 10·x2 + 15)/15
A) -x - 3/(2·x2) B) 2·x +1/(2·x) C) -2·x + 3/(2·x2) D) 2·x - 3/(2·x2)
A) x9/9 - x6/12 B) -x9/9 +5 x6/12 C) x9 + x6/12 D) -9x9 - x6/12
A) x - 2·x15/2/15 B) -x - 2·x1/2/15 C) x - 4x15/2/15 D) x + 2·x15/2
A) (1 + 1/(2·√x))/COS(x) - √x·(√x - 1)·SIN(x)/COS(x)2 B) (1 - 1/(2·√x))/COS(x) + √x·(√x - 1)·SIN(x)/COS(x)2 C) (1 - 1/(2·√x))/COS(x) + √x·(√x - 1)·SIN(x)/COS(x) D) (1 - 1/(2·√x))/COS(x) + √x·(√x - 1)·COS(x)/SIN(x)2
A) a2·x·(2·a3 - x3)/(x3 + a3) B) -a2·x·(2·a3 - x3)/(x3 - a3)2 C) a·x·(2·a3 - x3)/(x3 - a3)2 D) a2·x·(2·a3 - x3)/(x3 + a3)2
A) 2·(1 - x2)/(x2 - x + 1) B) (1 - x2)/(x2 - x + 1) C) 2·(1 - x2)/(x2 - x + 1)2 D) -2·(1 - x2)/(x2 + x + 1)2
A) -2·(x2 + x + 1)·(2·x + 1) B) 2·(x2 + x + 1)·(x - 1) C) -2·(x2 - x - 1)·(2·x + 1) D) 2·(x2 + x + 1)·(2·x + 1)
A) (2·x + 1)/(2·√(x·(x + 1))) B) (2·x + 1)/(2·√((x + 1))) C) (2·x + 1)/(2·(x·(x + 1))) D) -(x + 1)/(2·√(x·(x - 1)))
A) (2·x + 1)/(2·√(x2 + x + 1)) B) (2·x + 1)/(2(x2 + x + 1)) C) -(2·x + 1)/(2·√(x2 - x - 1)) D) -(2·x + 1)/(2·√(x3 + x + 1))
A) 1/(2·(x + 1)1/2) B) 1/(2·(x - 1)3/2) C) - 1/(2·(x - 1)5/2) D) - 1/(2·(x + 1)3/2)
A) 1/(x2 - 1)1/2 B) 1/(x2 + 1)3/2 C) -1/(x3 + 1)3/2 D) -1/(x2 + 1)1/2 |