OCR MEI A LEVEL MATHS TEST WITH
COMPLETE SOLUTIONS
what bare bthe b4 bstages bto bthe bproblem bsolving bcycle? b- b bcorrect banswer- bProblem
bspecification band banalysis b
information bcollection b
processing band brepresentation b
interpretation
bwhat bare bthe bdifferent bmethods bof bproof b- bbriefly bdescribe bthem? b- b bcorrect
banswer- bproof bby bcounter bexample b- bfind bone bexample bwhere bthe bstates brule
bdoes bnot bapply, btry bthe bmore bobvious, bnegative bnumbers, bzero band b1 bfirst b
proof bby bexhaustion b- bjust bcontinuously busing ba bformula bor bother bmethod buntil bthe
bstatement bcan bbe bdisproved b
proof bby bdeduction b- busually binvolves bthe beasier bproofs bso busing balgebra bto
bprove bthe bstatement bor bby bformulating ba blogical bargument botherwise
proof bby bcontradiction b- bmain bmethod, bsuppose bthat bthe bstatement bis btrue, beg
broot b2 bis brational bor bthere bis ba bfinite bnumber bof bprimes, bthen bfind ba bcontradiction
bto byour binitial bstatement
COMPLETE SOLUTIONS
what bare bthe b4 bstages bto bthe bproblem bsolving bcycle? b- b bcorrect banswer- bProblem
bspecification band banalysis b
information bcollection b
processing band brepresentation b
interpretation
bwhat bare bthe bdifferent bmethods bof bproof b- bbriefly bdescribe bthem? b- b bcorrect
banswer- bproof bby bcounter bexample b- bfind bone bexample bwhere bthe bstates brule
bdoes bnot bapply, btry bthe bmore bobvious, bnegative bnumbers, bzero band b1 bfirst b
proof bby bexhaustion b- bjust bcontinuously busing ba bformula bor bother bmethod buntil bthe
bstatement bcan bbe bdisproved b
proof bby bdeduction b- busually binvolves bthe beasier bproofs bso busing balgebra bto
bprove bthe bstatement bor bby bformulating ba blogical bargument botherwise
proof bby bcontradiction b- bmain bmethod, bsuppose bthat bthe bstatement bis btrue, beg
broot b2 bis brational bor bthere bis ba bfinite bnumber bof bprimes, bthen bfind ba bcontradiction
bto byour binitial bstatement
