Look at this parte 21+(4x 3) = 4230 + (4x4) =i) Write the next two linesii) Explain the general principle using algebra4) Explain using algebra, the fact that the square of any natural matberwhich is not a multiple of 3. leaves remainder l on division by 35) Prove that for any natural number ending in 3, its square ends inWhat about numbers ending in 5? And numbers ending in 4?

Look at this parte 21+(4x 3) = 4230 + (4x4) =i) Write the next two l

1.	Look at this parte 21+(4x 3) = 4230 + (4x4) =i) Write the next two linesii) Explain the general principle using algebra4) Explain using algebra, the fact that the square of any natural matberwhich is not a multiple of 3. leaves remainder l on division by 35) Prove that for any natural number ending in 3, its square ends inWhat about numbers ending in 5? And numbers ending in 4?
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