Math, asked by chandu9530, 6 months ago

Using algebraic identity, calculate (ii) 403 ×403

Answers

Answered by samreetkaur62

0

Answer:

1,62,409

Step-by-step explanation:

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Answered by LalramdinaRalte

1

Answer:

162409

Step-by-step explanation:

403×403

=(400+3)×(400+3)

=(400+3)²

using (a+b)²=a²+2ab + b²,

=400²+2(400)(3)+3²

=160000+2400+9=162409

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