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...Advanced calculus i dr block sample exam with solutions fall there are problems worth a total of points use mathematical induction to prove the given statement for every positive integer n x k solution first we that is true each side equal so second suppose some wemust show j wehave this shows as desired negate exists real number b such f all d find values satisy expression express your answer an interval on line union intervals nite set numbers or empty work since both sides inequality non negative obtain equiv alent by squaring bringing terms left and factoring equivalent which following if m then any adding determine false sets although you not expected give proofs in questions include proof here let either case it follows hence one but y consider r dened s supremum be open...