Chapter-6 Algebraic expressions
Use a suitable identity to get each of the following products.
a) (a - 16) (a + 16) 3
b) (1.1m – 0.4) (1.1m + 0.4)
c) (a2+ b2) (-a2+ b2)
d) ( + +
e) 5(a - 9)2
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