Calculate the product — task. Mathematics State Board, Class 7.

PDF chapter test TRY NOW

Simplify the following using the identity

(a + b)(a - b)= a^{2} - b^{2}

i) 50 \(×\) 42 \(=\)

ii) 21 \(×\) 13 \(=\)

Did you find an error?

7. Calculate the product