( a - bc ) ( a + b c ) ( a2 + b2c2 ) =
a2 - b2 c2
a4 - b4 c4
a4 - b2 c2
a2 - b4 c4
( mn2 + m2 n ) ( mn2 - m2 n ) =
m2n2 + m2 n
mn2 + m2 n2
m2n4 + m2 n2
m2n4 - m4 n2
( a - 3 ) ( a + 3 ) ( a2 + 9 ) =
a3 - 9
a4 - 9
a4 - 81
a2 - 81
The value of 107 x 93 is
9950
9951
9961
9941
(3mn -2 ) (4mn + 1 ) =
12 m2n2 - 5mn - 2
12 m2n2 + 7mn - 2
12 m2n2 - 7mn - 2
12 m2n2 + 5mn - 2
( a + 1/3 ) ( a + 1/4 ) = _________.
a2 + 2a/ 12 + 1/12
a2 + 7a/ 12 + 1/12
a2 - 2a/ 12 + 1/12
a2 - 7a/ 12 + 1/12
(x + 2 ) ( x + 3 ) =
x2 + 5x -6
x2 + 6x - 5
x2 + 5x + 6
x2 - 6x + 5
( x + 6 ) ( x - 6 ) =
x2 + 12 x + 36
x2 + 12 x - 36
x2 - 36
x2 + 36
(6 - x ) ( 5 + x ) = ________.
30 + x - x2
30 - x + x2
30 + x + x2
30 + 11 x + x2
(5x + 2y ) (2x - 5y ) = __________.
10X2 - 21 XY + 10 Y2
10X2 - 21 XY - 10 Y2
10X2 + 21 XY + 10 Y2
None of these
