Question

find 106×106 by using identities

Answer 1

Hello!

$\sf 106 × 106 :$

$\sf (100 + 6) \sf (100 + 6)$

$\sf (100 + 6)^{2}$

$\sf 100^{2} + 2 ( 100 )( 6 ) + 6^{2}$

$\sf 10000 + 1200 + 36$

$\boxed{\sf 11236}$

Cheers!

Answer 2

$106 \times 106 \\ = (100 + 6)(100 + 6) \\ = (100 + 6) {}^{2} \\ = (100) {}^{2} + 2(100)(6) + (6) {}^{2} \\ = 10000 + 1200 + 36 \\ = 11236$
hope this helps.......
if correct....
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