397 x 397 + 104 x 104 + 2 x 397 x 104 = ?
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Answered by
20
397 * 397 + 104 * 104 +2*397*104
= (397+104)^2
=501^2
=251001
= (397+104)^2
=501^2
=251001
Answered by
4
we should know the DMAS rule
then we should multiply 397 and 397, 104 and 104 &2 and 397 and 104
after that we should add all the products then we get our final answer which is 677212134352
then we should multiply 397 and 397, 104 and 104 &2 and 397 and 104
after that we should add all the products then we get our final answer which is 677212134352
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