( m + 1/3 ) ( m - 1/3 ) =
m2 + 2/3 m - 1/9
m2 + 1/9
m2 - 1/9
m2 + 1/3 m - 1/9
The value of 107 x 93 is
9950
9951
9961
9941
(5x + 2y ) (2x - 5y ) = __________.
10X2 - 21 XY + 10 Y2
10X2 - 21 XY - 10 Y2
10X2 + 21 XY + 10 Y2
None of these
( x +1 ) ( x - 1 ) = ______.
x2 + 2 x + 1
x2 - 1
x2 + 1
x2 + x + 1
( x + 6 ) ( x - 6 ) =
x2 + 12 x + 36
x2 + 12 x - 36
x2 - 36
x2 + 36
The value of 502 x 498 is
249996
249916
249936
249956
( mn2 + m2 n ) ( mn2 - m2 n ) =
m2n2 + m2 n
mn2 + m2 n2
m2n4 + m2 n2
m2n4 - m4 n2
( a - 3 ) ( a + 7 ) = _______.
a2 + 10 a + 21
a2 + 10 a - 21
a2 + 4 a + 21
a2 + 4 a - 21
( a - 3 ) ( a + 3 ) ( a2 + 9 ) =
a3 - 9
a4 - 9
a4 - 81
a2 - 81
( 2x - 3 ) ( 2x+ 3 ) ( 4x2 + 9 ) =
16x4 - 81
4x2 - 9
16 x4 - 9
4x2 - 81