Question

evaluate the following products without multiplying directly
Please answer step by step if you do in copy step by step I will mark you as brainliast and If you do in text and if it is readable to me then I will mark you as brainliast
Please answer fast and correct ​

Answer 1

Answer:

I know the answer. u will have to do it as 100×2×100×3

Answer 2

(i) 103 × 102

= (100+3)(100+2)

using identity (x+a)(x+b)=x²+(a+b)x+ab

        where x=100,a=3 and b= 2

= 100²+(3+2)100+(3×2)

= 10000+500+6

= 10506

(ii) 94 × 106

= (100-6)(100+6)

using identity (a-b)(a+b)=a²-b²

      where a= -6 and b=6

= (-6)² - (6)²

= 36 - 36

= 0

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