Digits help?
Question How many 3 digit positive intergers can be formed using the digits 2,3,4,5,6,7,8 is the units digit…
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Nth term help?
Question 4, 7, 3, 4,… in the sequence the first term is 4 & the second term is…
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Decipher this: Supermaniam?
Answer Supermaniam = superman + i + am So answer = i am superman.
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How do you solve the question 8 8’s = 1000?
Answer It’s classic one and usually people only know “one way” to solve it. There are two ways…
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Quadratic equations
Question 1) A number exceeds four times its reciprocal by 3. find the number forming a quadratic equation….
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How can I show that gcd(a,b) =gcd(b,r) ? Euclidean algorithm? given a=bq+r?
Answer Let gcd(a,b) = t. … (1) So in a = bq + r, let a = ct…
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Parametric equations … ellipse?
Question The ellipse ((x^2)/(2^2) + (y^2)/(3^2))=1 can be drawn with parametric equations. If x=rcos(t). Then r=? and y=?…
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Please prove this formula?
Question Prove 1*2+2*3+3*4+4*5+…+n*(n+1) =1/3*n*(n+1)*(n+2) Don’t use induction. I need to know how someone wrote that formula. Answer This…
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What is logic?
Answer Logic is a method of argument in which we check for consistency. A lot of people do…
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Discrete math proof needed
Question It is asking for the proof for lemma X. According to the discussion in class we know…