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Q4 of 227 Page 96

If then find

P – Q


P2 –Q2 =(P + Q)(P – Q)



=P – Q


So (∵ P2 –Q2=P – Q)




=1


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Questions · 227
3. Algebra
1 2 3 4 5 6 7 8 9 10 1 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 1 1 1 1 1 2 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 1 2 2 3 3 3 3 1 2 3 4 5 6 7 8 9 10 1 1 1 1 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 1 2 3 4 1 1 1 1 1 1 2 2 2 2 2 2 1 1 1 1 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 1 2 3 4 5 6 7 8 9 10 1 1 1 1 1 1 2 2 2 2 3 4 5 6 7 1 1 1 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
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