(a + b ) 2 =
A2 + b2
a2 - b2
a2 + 2ab + b2
a2 - 2ab + b2
(a2 - b2 ) 2 =
a4 - 2ab + b4
a4 - 2a2b2 + b4
a4 + 2a2b2 + b4
The square of 4 - 3x is
16 - 9x2
16 - 12x + 9x2
16 - 24x + 9x2
16 + 24 x + 9x2
Express 1 - 2y + y 2 as a perfect square
( 1 + y ) 2
( -1 + y ) 2
( 1 - y ) 2
None of these
Express 9m2 - 6m + 1 as a perfect square.
( 1 - 3m ) 2
( 1 + 3m ) 2
( 3 - m ) 2
( 3 m - 1 ) 2
Express 81 x2 + 90 xy + 25 y2 as a perfect square
( 5x + 9y ) 2
( 5x - 9y ) 2
( 9x + 5y ) 2
( - 9x + 5y ) 2
The value of ( 103 ) 2 is
10609
10619
10629
10639
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
(a - b ) 2 =
a2 + b2
