Question

88. Taking only the positive roots, the
value of
V41-721 + V19-V is:
1) 3
2) 4
3) 5
4) 6

89. The factors of (a?+b2-c--2ab) are:
1) (a - b -c), (a + b + c)
2) (a + bc),(a - b - c)
3) (a - b+c), (a - b -c)
4) (a + b -c), (a - b + c)

90.if [x²+½x]=102 then the value of [x-¹/×] is (take only the positive roots):
1) 8
2) 10
3) 12
4) 13​

Answer 1

Answer:

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