Use an expansion formula to find the values of (102)^2?
Vijay1977:
I want a formula for this question
Answers
Answered by
29
102)^2
=(100+2)^2
=100^2+2×100×2+2^2
=10000+400+4
=10404
=(100+2)^2
=100^2+2×100×2+2^2
=10000+400+4
=10404
thnx
Answered by
29
(100+2)². {by (a+b)²}
100²+2²+2*200
10000+4+400
10404 is required answer
100²+2²+2*200
10000+4+400
10404 is required answer
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