Math, asked by realslimshdy, 1 year ago

67 × 73 by using identity

Answers

Answered by RYTESH

28

(a+b)(a-b) =a square -b square
( 70+3)(70 -3) =70 square -3 square
=4900-9=4891

Answered by jbsingh2

25

(70-3)(70+3)
= (70×70) -(3×3)
=4900 -9
= 4891

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