Question

Answer the following.
4M


1. If x + 1/x =2 then x2 + 1/x2
(a) 8 (b) 0 (c) 4 (d)2
2. Sk+1 = 3 then k =
(a) 24
(b) 16
(c) 19
(d) 8
3. If. 2 is a root of x2+5x+r=0 then r=
(a) -4 (b) -14 (c) 16 (d)8
4. If 3y2 = 192 then y =
(a) 12
(b) 6
(C) 8
(d) none​

Answer 1

Answer:

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Answer 2

Answer:

1. d) 2
2. not understanding
3. b) -14
4. c) 8

hope it helps

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