plzZ explain question no 8 of rs aggarwal class 8 maths ex 3B.. plzZ answer only if you know...
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given that (310)^2
=(300+10)^2
=300^2 + 10^2 + 2×300×10
=90000 + 100 + 6000
=96100. ans
solve the rest questions similarly
=(300+10)^2
=300^2 + 10^2 + 2×300×10
=90000 + 100 + 6000
=96100. ans
solve the rest questions similarly
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