2) Evaluate 205 x 206 by using suitable identity.
Answers
Answered by
7
Answer:
205×206
42230
Step-by-step explanation:
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Answered by
2
Answer:
42230
Step-by-step explanation:
205 * 206 = ( 200+5 ) * (200+6 )
= (200)^2 + 200*( 6 + 5 ) + 6*5
(USING IDENTITY (X+A)(X+B)= X^2 + X (A+B) + A*B)
= 40000 + 2200 + 30
= 42230
I hope, it was useful..
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