(a - b ) 2 =
a2 + b2
a2 - b2
a2 + 2ab + b2
a2 - 2ab + b2
If a + b = 5 and ab = 6, Find the value of a2 + b2
10
11
12
13
Express x2 + x + 1/4 as a perfect square :
( x + 1/2 ) 2
( 2x + 1 ) 2
( x + 2 ) 2
( x - 1/2 ) 2
If a + 1/a = 4, Find the value of a2 + 1/a2.
14
Express 9a2 + 60 a + 100 as a perfect square.
( 3a + 10 ) 2
( 3 + 10a ) 2
( 3a - 10 ) 2
( 10a + 3 ) 2
Express 1 - 2y + y 2 as a perfect square
( 1 + y ) 2
( -1 + y ) 2
( 1 - y ) 2
None of these
(a2 - b2 ) 2 =
a4 - 2ab + b4
a4 - 2a2b2 + b4
a4 + 2a2b2 + b4
If a - b = 5 and a2 + b2 = 37 Find the value of a b ?
6
7
8
9
If a2 + 1/a2 = 14, find the value of a4 + 1/a4
192
194
196
198
The square of 4 - 3x is
16 - 9x2
16 - 12x + 9x2
16 - 24x + 9x2
16 + 24 x + 9x2