Question

If a = b= 2 , then the value of (a2+ab-b 2 ) (a+b) ( a-b) will be
a) 2
b) 0
c) 1
d) 48​

Answer 1

Answer:

b ) 0

Step-by-step explanation:

a = b = 2

( a2 + ab - b2 ) ( a + b ) ( a - b )

( 4 + 2×2 - 4 ) ( 2 + 2 ) ( 2 - 2 )

( 4 + 4 - 4 ) ( 4 ) ( 0 )

( 4 ) ( 4 ) ( 0 )

= 0