Which is the term without x in the expansion of [x - 1/2]3?
-1/28
-1/16
-1/8
-1/18
Evaluate (x + 1) (x - 2) (x + 3)
x3 - 2x2 - 5x - 6
x3 + 2x2 - 5x - 6
x3 - 2x2 + 5x + 6
None of these
If 3a + 2b = 20, ab = 14/9, then the value of 27a3 + 8b3?
-7440
9561
7440
8123
If a2 + b2 + c2 = 29 and ab + bc + ac = 28, find the value of (a + b + c)2 ?
85
100
150
14
(x - 4) (x + 3) (x + 10)
x3 + 9x2 - 22x - 120
x3 - 9x2 + 22x + 120
x3 - 9x2 - 22x - 120
If a + b = 14, ab = 24, find a - b ?
3
8
10
9
If a = b + c, then a3 - b3 - c3 =
abc
3abc
2abc
If a2 (a + 3b) = p and b2 (3a + b)= q, what is (a + b)3 in terms of p and q
p/q
q - 1/p
p + q
p + q/pq
The value of p2 + q2 + r2, if P + q + r = 36 and pq + qr + rp = 148 is ___________
1000
40
12000
-1800
If (a - b)2 = 145, and a2 + b2 = 7, find ab?
60
-69
-51
-55
