7. Evaluate using identity: 201 x 202.
Answers
Answered by
3
Answer:
40602
Step-by-step explanation:
(200+1)(200+2). {(X+a)(X+b)=x²+(a+b)X+ab}
40000+(1+2)200+2
40000+600+2
40602
Answered by
1
Answer:
Answer is 40602
Step-by-step explanation:
201 x 202
=(200 + 1) x (200 + 2)
=200 x 200 + 200 x 2 + 1 x 200 + 1 x 2
=40000 + 400 + 200 + 2
=40602
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