Complex Numbers: Write each espression in the form a +bi where a and b are real numbers: (8 +sqrt -20)/-4?
Answer 8 +sqrt of -20 divided by -4. sqrt ( -1 ) = i [ 8 +sqrt of…
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Number Bases: Convert from Hexadecimal (Base 16) to Decimal (Base 10)?
Answer A base 10 analogy will be helpful. In base 10 we start with 10^0, 10^1 etc for…
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Basic Algebra Explanation: “How algebra works?”
Question Solve the equation(5/12)y=3/4 Answer Firstly, LHS = Left Hand Side. RHS = Right Hand Side. (5/12)y =…
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Solve using the multiplication principle: 5 b < -10?
Answer I’ll show you a slightly different way. I am assuming you know basic algebra. See, 5b <…
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Prime number question
Question 1) Show that if p >=5 is a prime number, then p^2 + 2 is composite (hint:…
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A Mean Value Theorem or MVT Question?
Question Find all numbers c between a and b for which: (f(b)-f(a))/(b-a) = f'(c) The Problem: f(x) =…
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Algebra: Solve x for [ {2 + (3^1/2)}^1/2]^x + [{2 – (3^1/2)}^1/2]^x = 4?
Answer The trick is this. SQUARE THE EQUATION. Note that : [{2 + (3^1/2)}^1/2]^x = [{2 + (3^1/2)}^(x/2)]…
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A tough Geometry Question
Question Two circles (⊙O and ⊙O’, the radius of ⊙O > the radius of ⊙O’) intersect at Point…
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What is 2+2?
Question I ame on Kindergardren ande i donot know de anwser to the qestion Answer 2 +…
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Digit problem?
Question If the digits 2,3,7 and 6 are arranged randomly so as to form a four-digit number,then how…