Question

evaluate (102)3 from
class 9th

Answer 1

Heya ✋

Let see your answer !!!!

(102)^3

= (100 + 2)^3

= (100)^3 + (2)^3 + 3 × 100 × 2(100 + 2)

= 10,00,000 + 8 + 600(102)

= 1,00,008 + 61,200

= 1,61,208

Thanks :))))

Answer 2

102=100+2

So, (100+2)^3

Now you can apply the following identity:-

(a+b)^3=a^3+b^3+3×a^2×b+3×a×b^2

Taking a =100 and b =2

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