427. How many real roots does th e e 1uatione^x-9e^(-x)+8=0have? B(A)0(B) 1(C)2(D)4(E)Infinitely many 相关知识点: 试题来源: 解析 BMultiply both sides of the equation by e^x and rearrange terms to obtain the equation e^(2x)+8e^x-9=0 . Let u=e^x and so...
百度试题 结果1 题目How many real roots does the equation x(x − 4)(2x − 3) = 0 have? A: 1 B: 2 C: 3 D: 4 相关知识点: 试题来源: 解析 D None 反馈 收藏
Descartes' rule of signs is used to find the number of real and imaginary roots. Real roots can be positive or negative. The value of positive roots depends on the number of changes in signs of the polynomial {eq}f(x) {/eq}. Similarly, the value of the negative root depends ...
%further i want to calculaterealroots of equation given below, eq= norm(coupler_parametric)-3.5; %please help someone %thanks!! 2 Comments John D'Erricoon 2 Jun 2024 @AmanYou don't need to ask this question a third time. You have now gotten answers bo...
How many real square roots does -64 have? The Square Roots of Negative Numbers: Like all other numbers, negative numbers have square roots. The numeric value of the square root of a negative number is the same numeric value as the square root of a positive number, but it will incorporate...
How to Find Square Roots Without Calculator? This is quite an interesting way to figure out the square root of a given number. The procedure is completely based on the method called “guess and check”. Guess your answer, and verify. Repeat the procedure until you have the desired accurate...
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The type of returns generated depends on the type of project or asset; real estate can produce both rents and capital gains; many stocks pay quarterly dividends; bonds tend to pay regular interest. In investing, risk and return are two sides of the same coin; low risk generally means low ...
This is for many reasons. Patients tend to prefer clear aligner teeth straightening mainly because they are transparent and considered invisible for the wearer. Because of this, teenagers and especially in the last few years, adults, have embraced clear aligner therapy as a cure for their tooth ...