Find 103 x 104 by using identities
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Find 103 x 104 by using identities
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Answer
=10712 is the answer
Step-by-step explanation:
103×104
=(100+3)(100+4)
using identity (x+a)(x+b)=x^2 +x(a+b) +ab,
( {100})^{2} + 100(3 + 4) + 3 \times 4(100)
2
+100(3+4)+3×4
= 10000 + 700 + 12=10000+700+12
=10712 is the answer
Answer:
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Step-by-step explanation:
By using (x+a)(x+b)=x^2 + x(a+b) + ab , 104*103=(100+4)(100+3)=100^2 + 100(4+3) + (4*3)=10000+700+12=10712Therefore, the answer is 10712.