Copy of Find the difference — task. Maths CBSE Live product, Class 8.

If \(a\) \(=50\) , \(b\) \(=80\) , \(m\) \(=\) 3, and \(n\) \(=\) 7, then evaluate the value of

(53 \times 87)

\(-\)

(47 \times 73)

using the identity.

Answer:

The product

(53 \times 87)

is expanded using the identity of \((a+m)(b+n)\) \(=\) .

The value of

(53 \times 87)

\(=\)

The product

(47 \times 73)

is expanded using the identity of \((a-m)(b-n)\) \(=\) .

The value of

(47 \times 73)

\(=\)

The value of

(53 \times 87)

\(-\)

(47 \times 73)

\(=\)

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5. Copy of Find the difference