If 3a + 2b = 10, a = 14/9, find 27a3 + 8b3?
-740
960
720
810
If a2 (a + 3b) = 208 and b2 (3a + b) = 135, hat is a + b?
4
7
12
16
(xy - yz)2
x2y2 - 2xy2z - y2z2
x2y2 - 2xy2z + y2z2
x2y2 + 2xy2z + y2z2
None of these
Evaluate (x + 1) (x - 2) (x + 3)
x3 - 2x2 - 5x - 6
x3 + 2x2 - 5x - 6
x3 - 2x2 + 5x + 6
[(x6)2 - (y6)3]2 find
(1/x)4 + 3x2/9
x24 - 2x12y18 + y36
(x + y)6 - 2y
If a2 + b2 + c2 = 29 and ab + bc + ac = 28, find the value of (a + b + c)2 ?
85
100
150
14
Which is the term without n in the expansion of [n - 1/2]3 ?
-1/64
-1/16
-1/8
1/18
If a = b + c, then a3 - b3 - c3 =
abc
3abc
2abc
If a + b = 14, ab = 24, find a - b ?
3
8
10
9
Which is the term without x in the expansion of [x - 1/2]3?
-1/28
-1/18
