Question

Using properties find 56×48

Answer 1

Answer:

(a+b)(a-b)=a^2-b^2 This is the identity to be used.

Step-by-step explanation:

let us take 52 as the mid number i.e. 'a'

let us take 4 as 'b'

so, (52)+4*(52-4)

52^2-4^2

2704-16

2688.

Answer 2

56×48
48×56 (a×b=b×a)
=2688

Commutative property.

Hope the answer is clear.

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Good Day !!