If a + b = 14, ab = 24, find a - b ?
3
8
10
9
(4x + 5y)2
16x2 + 40xy - 25y2
16x2 - 40xy + 25y2
16x2 + 40xy + 25y2
None of these
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
Which is the term without x in the expansion of [x - 1/2]3?
-1/28
-1/16
-1/8
-1/18
[1/x - y/x]2
x2 + 2y/x2 + y2/x2
1/x2 + 2y/x2 + y2/x2
1/x2 - 2y/x2 + y2/x2
(xy - yz)2
x2y2 - 2xy2z - y2z2
x2y2 - 2xy2z + y2z2
x2y2 + 2xy2z + y2z2
[(x6)2 - (y6)3]2 find
(1/x)4 + 3x2/9
x24 - 2x12y18 + y36
(x + y)6 - 2y
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
(x - 4) (x + 3) (x + 10)
x3 + 9x2 - 22x - 120
x3 - 9x2 + 22x + 120
x3 - 9x2 - 22x - 120
