The value of p2 + q2 + r2, if P + q + r = 36 and pq + qr + rp = 148 is ___________
1000
40
12000
-1800
If a = b + c, then a3 - b3 - c3 =
abc
3abc
2abc
None of these
[x2 + x/y]2 =
x4 + 2x3/y + x2/y2
x4 - 2x3/y - x2/y2
x4 - 2x3/y + x2/y2
x4 + 2x2/y + x2/y2
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
(x - 4) (x + 3) (x + 10)
x3 + 9x2 - 22x - 120
x3 - 9x2 + 22x + 120
x3 - 9x2 - 22x - 120
Which is the term without n in the expansion of [n - 1/2]3 ?
-1/64
-1/16
-1/8
1/18
(xy - yz)2
x2y2 - 2xy2z - y2z2
x2y2 - 2xy2z + y2z2
x2y2 + 2xy2z + y2z2
[1/x - y/x]2
x2 + 2y/x2 + y2/x2
1/x2 + 2y/x2 + y2/x2
1/x2 - 2y/x2 + y2/x2
If 3a + 2b = 10, a = 14/9, find 27a3 + 8b3?
-740
960
720
810
Simplify (2x - 3)3 + (2x + 3)3
16x3 + 108x
8x3 + 102x3
4x3 + 120x3
8x3 - 108x3
